Dr. Yasser M. Sabry Profile

Dr. Yasser M. Sabry

Associate Professor at Ain Shams Univ

SPIE Involvement:

Author

Area of Expertise:

Micro-optics , Optical MEMS , Microscanners , Optical cavities , MEMS actuaters , MEMS FTIR spectrometers

Profile Summary

Yasser Sabry received his BSc and MSc in electronics and communication Eng. in 2005 and 2009 from Ain Shams University, Cairo, Egypt. Now he is working toward a PhD in microelectronic systems at ESIEE Engineering School of Paris, Paris-Est University, France. From 2005 to 2008, he joined the transistor modeling team at Mentor Graphics Corporation, and he was a consultant in the innovation team of the information technology industry development agency (ITIDA) of Egypt. From 2008, he joined the MEMS division of Si-ware Systems (SWS) as a microelectronics process engineer developing SWS technology SiMOST. His research interests are in nanoelectronics, inertial MEMS sensors, Micro-optics and optical MEMS.

Publications (79)

Proceedings Article | 13 March 2024 Presentation + Paper

Presentation + Paper

Multi-scale modelling and experimental measurements of absorption enhancements of biological samples using HgTe colloidal QDs

Mohamed Kelany, Yasser Sabry, Diaa Khalil

Proceedings Volume 12859, 1285904 (2024) https://doi.org/10.1117/12.3001635

KEYWORDS: Biological samples, Refractive index, Absorption, Crystals, Reflection, Quantum enhancement, Spectroscopy, Modeling, Infrared spectroscopy, Quantum dots, Attenuated total reflectance, COVID 19

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Proceedings Article | 12 March 2024 Poster + Paper

Poster + Paper

Effective reflectivity for flat and spherical external cavity semiconductor laser with multi spatial mode beam profile

Radwa Abbas, Yasser Sabry, Diaa Khalil

Proceedings Volume 12889, 128890V (2024) https://doi.org/10.1117/12.3002222

KEYWORDS: Mirrors, Reflectivity, Gaussian beams, Spherical lenses, Semiconductor lasers, Reflection, Atmospheric propagation, Plane waves, Matrices, Beam propagation method

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Proceedings Article | 12 March 2024 Presentation + Paper

Presentation + Paper

Spectral compensation of extended InGaAs photodetector thermal drift in miniaturized FTIR spectral sensors

Samir Abozyd, Bassem Mortada, Hassan Saied, Ahmed Fadeel, Tarek Zeinah, Shady Labib, Abdelrahman Sirry, Mohamed Elarabawy, Bassam Saadany, Yasser Sabry

Proceedings Volume 12899, 1289907 (2024) https://doi.org/10.1117/12.3002403

KEYWORDS: Photodiodes, Indium gallium arsenide, Photodetectors, Electrons, Absorption, Photons, Spectroscopy, Near infrared, Sensors, FT-IR spectroscopy

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Proceedings Article | 12 March 2024 Presentation + Paper

Presentation + Paper

Modeling of photonic MEMS Michelson interferometers comprising curved micromirrors under partially coherent light excitation

Karim Khalil, Alaa Fathy, Yasser Sabry, Diaa Khalil, Ahmed Hisham Morshed

Proceedings Volume 12899, 128990G (2024) https://doi.org/10.1117/12.3002541

KEYWORDS: Mirrors, Spherical lenses, Microelectromechanical systems, Michelson interferometers, Beam splitters, Visibility, Optical path differences, Sensors, Micromirrors, Light sources

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Proceedings Article | 12 March 2024 Poster + Paper

Poster + Paper

Modeling and analysis of nonuniform metal-coating of deeply etched vertical micromirrors

Hoda A. Morshed, Yasser Sabry, Diaa Khalil

Proceedings Volume 12899, 128990O (2024) https://doi.org/10.1117/12.3001562

KEYWORDS: Reflection, Mirrors, Aluminum, Porosity, Micromirrors, Gaussian beams, Metals, Analytic models, Coating thickness, Refraction, Gas sensors, Optical coating design

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Proceedings Article | 12 March 2024 Poster + Paper

Poster + Paper

Accurate and portable plastic sorting using diffuse reflection and transmission MEMS spectrometer in the mid-infrared

Mohamed Elsaeidy, Momen Anwar, Islam Samir, Mohamed Al Haron, Bassem Mortada, Shady Labib, Samir AboZyd, Mazen Erfan, Yasser Sabry, Bassam Saadany

Proceedings Volume 12899, 128990L (2024) https://doi.org/10.1117/12.3002503

KEYWORDS: Plastics, Reflection, Spectroscopy, Microelectromechanical systems, Mid infrared, FT-IR spectroscopy, Opacity, Portability, Statistical analysis, Signal to noise ratio

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Proceedings Article | 12 March 2024 Poster + Paper

Poster + Paper

Modelling the side-wall roughness scattering loss of MEMS-based optical waveguides using the perturbation theory and the generalized Harvey-Shack model

Ahmed Othman, Amr Ghoname, Yasser Sabry, Diaa Khalil, Tarik Bourouina

Proceedings Volume 12899, 128990M (2024) https://doi.org/10.1117/12.3003708

KEYWORDS: Waveguides, Scattering, Interfaces, Modeling, Wave propagation, Dielectrics, Surface roughness, Silicon, Microelectromechanical systems, Waveguide modes

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Proceedings Article | 11 March 2024 Poster + Paper

Poster + Paper

Characterization of high aspect ratio miniature reflectors using negative shape polymer filling and image processing

Shady Labib, Omar Eid, Mazen Erfan, Yasser Sabry

Proceedings Volume 12893, 1289316 (2024) https://doi.org/10.1117/12.3003295

KEYWORDS: Reflectors, Reflection, Light sources and illumination, Image quality, Plastics, Polymers, Image processing, Lamps, Image sharpness, Contour extraction

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Proceedings Article | 11 March 2024 Poster + Paper

Poster + Paper

Measurements and analysis of spectrally resolved spot profile of diffuse reflection micro spectrometers using knife-edge white reference

Shady Labib, Ahmad Mahfouz, Mohamed Radwan, Omar Eid, Mazen Erfan, Hoda Elgibally, Sherif Okda, Amir Shaheen, Mohamed Usama, Momen Anwar, Bassem Mortada, Yasser Sabry

Proceedings Volume 12893, 1289317 (2024) https://doi.org/10.1117/12.3003359

KEYWORDS: Spectrometers, Reflection, Sensors, Microelectromechanical systems, Spectroscopy, Mirrors, Head, Beam diameter, Light sources and illumination, FT-IR spectroscopy

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Proceedings Article | 16 March 2023 Poster + Paper

Poster + Paper

Numerical modelling for micropillar-enhanced silicon ATR crystals for mid-infrared spectroscopy of biomarkers

Ahmed Othman, Yasser Sabry, Diaa Khalil, Tarik Bourouina

Proceedings Volume 12387, 123870J (2023) https://doi.org/10.1117/12.2649104

KEYWORDS: Silicon, Crystals, Biological samples, Attenuated total reflectance, Spectroscopy, Reflectivity, Mid-IR, Simulations, Reflection, Water

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Proceedings Article | 15 March 2023 Presentation + Paper

Presentation + Paper

Simultaneous identification of microparticles material nature and size distribution using spectral resonances in MIR-ATR spectroscopy

Ahmed Othman, Yasser Sabry, Diaa Khalil, Tarik Bourouina

Proceedings Volume 12434, 124340F (2023) https://doi.org/10.1117/12.2649136

KEYWORDS: Refractive index, Fourier transforms, Polymethylmethacrylate, Microspheres, Absorption, Reflectivity, Optical spheres, Attenuated total reflectance, Particles, Spectroscopy

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Proceedings Article | 14 March 2023 Presentation + Paper

Presentation + Paper

Rapid and low-cost detection of human corona virus using MEMS ATR-FTIR spectroscopy

Yasser Sabry, Amr Ghoname, Mohamed Kelany, Moustafa Mohamed, Ahmed Mostafa, Amgad Khalifa, Sherif Okda, Mazen Erfan, Momen Anwar, Omar Sakr, Ahmed Othman, Bassam Saadany, Diaa Khalil

Proceedings Volume 12358, 1235803 (2023) https://doi.org/10.1117/12.2644313

KEYWORDS: Spectroscopy, Microelectromechanical systems, Biological samples, FT-IR spectroscopy, Data modeling, Crystals, Zinc selenide, Principal component analysis, Artificial intelligence, Infrared spectroscopy

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SPIE Journal Paper | 29 November 2022

Modeling of surface roughness in deeply etched photonic MEMS mirrors and filters

Ahmed Mostafa, Yasser Sabry, Haitham Omran, Hassan El-Nashar, Ahmed Samir, Diaa Khalil

OE, Vol. 61, Issue 11, 117105, (November 2022) https://doi.org/10.1117/12.10.1117/1.OE.61.11.117105

KEYWORDS: Mirrors, Surface roughness, Silicon, Finite-difference time-domain method, Optical filters, Microelectromechanical systems, Modeling, Reflection, Gaussian beams, Reflectivity

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SPIE Journal Paper | 9 July 2022 Open Access

Open Access

Critical analysis of in-plane free-space light beam coupling using photonic curved micromirrors

Yasser Sabry, Mazen Erfan, Diaa Khalil, Tarik Bourouina

JOM, Vol. 2, Issue 03, 034001, (July 2022) https://doi.org/10.1117/12.10.1117/1.JOM.2.3.034001

KEYWORDS: Micromirrors, Gaussian beams, Spherical lenses, Silicon, Optical microsystems, Mirrors, Optical fibers, Deep reactive ion etching, Reflectivity, Free space optics

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Proceedings Article | 5 March 2022 Poster + Presentation + Paper

Poster + Presentation + Paper

Double coincide rings-patterned plasmonic photonic crystal with engineered spectral emissivity for integrated thermal emitters

Shady Labib, Yasser Sabry, Diaa Khalil

Proceedings Volume 12006, 120060R (2022) https://doi.org/10.1117/12.2610144

KEYWORDS: Silicon, Platinum, Photonic crystals, Plasmonics, Absorption, Finite-difference time-domain method, Infrared radiation, Metals, Light sources, Spectroscopy

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Proceedings Article | 4 March 2022 Poster + Presentation + Paper

Poster + Presentation + Paper

Three-dimensional v-trough solar concentrator with diffuser for uniform cell illumination

Kirollos Ernest, Ahmed Abd-Rabou, Yasser Sabry, Diaa Khalil

Proceedings Volume 11996, 119960C (2022) https://doi.org/10.1117/12.2607883

KEYWORDS: Diffusers, Solar concentrators, Solar cells, Ray tracing, Mirrors, Image analysis, Photovoltaics, Reflectivity, Receivers, Cameras

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Proceedings Article | 20 June 2021 Poster + Presentation + Paper

Poster + Presentation + Paper

Large spot size diffuse reflectance FT-NIR spectral sensor for inhomogeneous samples

Mohamed Sadek, Shady Labib, Bassem Mortada, Mostafa Medhat, Tarek Zeinah, Ahmed Shebl, Ahmed Fadeel, Mina Gad, Hussien Abuelnaga, Botros George, Yasser Sabry, Bassam Saadany

Proceedings Volume 11782, 117822B (2021) https://doi.org/10.1117/12.2592468

KEYWORDS: Sensors, Microelectromechanical systems, Diffuse reflectance spectroscopy, Spectrometers, Signal to noise ratio, Free space optics, Head, FT-IR spectroscopy, Time metrology, Statistical analysis

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Proceedings Article | 5 March 2021 Presentation + Paper

Presentation + Paper

High collection uniformity three-dimensional V-trough concentrators

Kirollos Ernest, Yasser Sabry, Diaa Khalil

Proceedings Volume 11681, 116810K (2021) https://doi.org/10.1117/12.2582419

KEYWORDS: Solar concentrators, Solar cells, 3D modeling, Ray tracing, Photovoltaics, Geometrical optics

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Proceedings Article | 5 March 2021 Poster + Presentation + Paper

Poster + Presentation + Paper

MEMS-based polarized FTIR spectrometer for polymer quality control

Yomna Eltagoury, Yasser Sabry, Diaa A. Khalil

Proceedings Volume 11697, 1169714 (2021) https://doi.org/10.1117/12.2582521

KEYWORDS: Polymers, Spectroscopy, FT-IR spectroscopy, Polarizers, Microelectromechanical systems, Spectral resolution, Polarization, Manufacturing, Linear polarizers, Fourier transforms

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Proceedings Article | 5 March 2021 Presentation + Paper

Presentation + Paper

Wide-angle wide-spectral range IMI plasmonic MEMS mirror in the MIR for spectroscopic gas sensing applications

Hoda A. H. Morshed, Yasser Sabry, Diaa Khalil

Proceedings Volume 11697, 116970B (2021) https://doi.org/10.1117/12.2577965

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Proceedings Article | 20 August 2020 Presentation + Paper

Presentation + Paper

Super-resolution infrared spectroscopy for gas analysis using convolutional neural networks

Samar Elaraby, Yasser Sabry, Sherif Abuelenin

Proceedings Volume 11511, 115110W (2020) https://doi.org/10.1117/12.2571293

KEYWORDS: Carbon monoxide, Signal to noise ratio, Spectrometers, FT-IR spectroscopy, Resolution enhancement technologies, Network architectures, Convolutional neural networks, Transmittance, Spectral resolution

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Proceedings Article | 2 April 2020 Presentation + Paper

Presentation + Paper

Parameter extraction of silicon photonic devices using optical coherence tomography

Rabab Shalaby, Yasser Sabry, Diaa Khalil

Proceedings Volume 11364, 113641K (2020) https://doi.org/10.1117/12.2554265

KEYWORDS: Waveguides, Refractive index, Optical coherence tomography, Silicon photonics, Silicon, Resonators, Tolerancing, Finite-difference time-domain method, Reflection

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Proceedings Article | 1 April 2020 Presentation + Paper

Presentation + Paper

Silicon based integrated hollow waveguide for gas sensing applications

Alaa Fathy, Yasser Sabry, Frederic Marty, Diaa Khalil, Tarik Bourouina

Proceedings Volume 11355, 113550T (2020) https://doi.org/10.1117/12.2554947

KEYWORDS: Spectrometers, Microelectromechanical systems, Silicon, Sensors, Gas sensors, Deep reactive ion etching, Hollow waveguides, Gases

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Proceedings Article | 1 April 2020 Presentation + Paper

Presentation + Paper

Enhanced resolution MEMS spectrometer based on FTIR technique combined with reflection-type etalon

Amir Shaheen, Yasser Sabry, Diaa Khalil

Proceedings Volume 11354, 113542A (2020) https://doi.org/10.1117/12.2555565

KEYWORDS: Spectroscopy, FT-IR spectroscopy, Microelectromechanical systems, Spectral resolution, Modulation, Digital signal processing, Absorption, Resolution enhancement technologies, Electronic test equipment, Mirrors

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Proceedings Article | 1 April 2020 Presentation + Paper

Presentation + Paper

Plastic sorting based on MEMS FTIR spectral chemometrics sensing

Mai Said, Mariam Amr, Yasser Sabry, Diaa Khalil, Ayman Wahba

Proceedings Volume 11354, 113540J (2020) https://doi.org/10.1117/12.2555876

KEYWORDS: Spectrometers, Chemometrics, Data modeling, Microelectromechanical systems, FT-IR spectroscopy

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Proceedings Article | 1 April 2020 Presentation + Paper

Presentation + Paper

Mid-infrared radiation source for spectroscopic applications based on multi-walled carbon nanotubes on top of silicon

Ahmed Saeed, Ahmed Elsayed, Frédéric Marty, Elyes Nefzaoui, Tarik Bourouina, Heba Shawkey, Yasser Sabry, Diaa Khalil

Proceedings Volume 11345, 113451I (2020) https://doi.org/10.1117/12.2555852

KEYWORDS: Silicon, Spectrometers, Platinum, Thin films, Carbon nanotubes, Silicon films, Mid-IR, Microelectromechanical systems, Spectroscopy, Black bodies

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Proceedings Article | 30 March 2020 Presentation + Paper

Presentation + Paper

Simple and low-cost method for particulate matter size determination based on far-field interference pattern image processing

Hend Kholeif, Yasser Sabry, Michael M. Y. Rizk, Diaa A. Khalil

Proceedings Volume 11351, 1135123 (2020) https://doi.org/10.1117/12.2555959

KEYWORDS: Particles, Diffraction, Image processing, Scattering, Opacity, Sensors, Light scattering

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Proceedings Article | 2 March 2020 Presentation + Paper

Presentation + Paper

Cavity enhanced spectroscopy using multi-longitudinal mode laser RF beating

Mahmoud Selim, Radwa A. Ahmed, Yasser Sabry, Diaa Khalil

Proceedings Volume 11287, 112870Q (2020) https://doi.org/10.1117/12.2546878

KEYWORDS: Absorption, Directional couplers, Optical resonators, Resonators, Spectroscopy, Tunable lasers, Sensors, Tunable filters, Laser spectroscopy, Absorbance

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Proceedings Article | 2 March 2020 Presentation + Paper

Presentation + Paper

NIR optical properties of SWCNTs based on ab-initio calculations and the transfer matrix method

Ahmed Saeed, Yasser Sabry, Heba Shawkey, Diaa Khalil

Proceedings Volume 11274, 112740Z (2020) https://doi.org/10.1117/12.2544382

KEYWORDS: Reflectivity, Near infrared, Thin films, Semiconductors, Optical properties, Spectroscopy, Transmittance, Refractive index, Integrating spheres, Dielectrics, Single walled carbon nanotubes, Carbon nanotubes

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Proceedings Article | 2 March 2020 Presentation + Paper

Presentation + Paper

Spectral background removal of MEMS FTIR spectrometer-based gas analyzer

Mariam Amr, Yasser Sabry, Diaa Khalil

Proceedings Volume 11287, 1128712 (2020) https://doi.org/10.1117/12.2545891

KEYWORDS: Spectrometers, Microelectromechanical systems, FT-IR spectroscopy, Gases, Spectroscopy, Absorption, Sensors, Gas sensors, Environmental sensing, Absorbance

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Proceedings Article | 28 February 2020 Paper

Paper

Modeling and characterization of the reflectance of vertical metal-coated micromirrors in deeply-etched optical benches

Moez El-Massry, Yasser Sabry, Sebastien Nazeer, Ahmed Shebl, Diaa Khalil

Proceedings Volume 11293, 112930V (2020) https://doi.org/10.1117/12.2544850

KEYWORDS: Aluminum, Mirrors, Reflectivity, Reflection, Metals, Silicon, Micromirrors, Systems modeling, Deep reactive ion etching

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Proceedings Article | 28 February 2020 Paper

Paper

Compressive sensing MEMS FTIR spectrometer

Karim Hedayet, Yasser Sabry, Diaa Khalil

Proceedings Volume 11293, 112930T (2020) https://doi.org/10.1117/12.2543803

KEYWORDS: Spectroscopy, Microelectromechanical systems, FT-IR spectroscopy, Compressed sensing, Spectral resolution, Infrared spectroscopy, Resolution enhancement technologies, Optical filters, Tunable lasers, Fourier transforms

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Proceedings Article | 28 February 2020 Paper

Paper

Attenuated total reflection (ATR) MEMS FTIR spectrometer

Amr Ghoname, Yasser Sabry, Momen Anwar, Diaa Khalil

Proceedings Volume 11293, 112930W (2020) https://doi.org/10.1117/12.2546012

KEYWORDS: Spectroscopy, Crystals, Microelectromechanical systems, FT-IR spectroscopy, Transmittance, Refractive index, Silicon, Light, Liquids, Attenuated total reflectance

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Proceedings Article | 28 February 2020 Presentation + Paper

Presentation + Paper

Combined MEMS spectrometer based on Michelson interferometer and tunable filter for wideband selective operation

Amir Shaheen, Yasser Sabry, Diaa Khalil

Proceedings Volume 11293, 112930K (2020) https://doi.org/10.1117/12.2542938

KEYWORDS: Spectroscopy, FT-IR spectroscopy, Spectral resolution, Microelectromechanical systems, Michelson interferometers, Electronic test equipment, Mirrors, Tunable filters, Infrared spectroscopy, Resolution enhancement technologies

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Proceedings Article | 28 February 2020 Paper

Paper

Multi-walled carbon nanotubes based near-infrared radiation source

Ahmed Saeed, Ahmed Elsayed, Frédéric Marty, Elyes Nefzaoui, Tarik Bourouina, Heba Shawkey, Yasser Sabry, Diaa Khalil

Proceedings Volume 11293, 112930U (2020) https://doi.org/10.1117/12.2544396

KEYWORDS: Silicon, Carbon nanotubes, Spectrometers, Black bodies, Near infrared, Microelectromechanical systems, Platinum, FT-IR spectroscopy, Titanium, Silicon films

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Proceedings Article | 26 February 2020 Paper

Paper

Absorptivity enhancement of black silicon using electroless Cu plating

Ahmed Khaled, Magdy Hussein, Ahmed Elsayed, Frédéric Marty, Elyes Nefzaoui, Tarik Bourouina, Yasser Sabry, Diaa Khalil

Proceedings Volume 11285, 112851T (2020) https://doi.org/10.1117/12.2547301

KEYWORDS: Absorbance, Copper, Silicon, Metals, Electroless plating, Reflection, Plating, Reflectivity, Cryogenics, Near infrared, Deep reactive ion etching

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Proceedings Article | 21 February 2020 Paper

Paper

Real-time optical monitoring of zinc-oxide nanowires in-situ growth within a microfluidic chamber

Mazen Erfan, Lan Gao, Marie Le Pivert, Martine Gnambodoe-Capochichi, Yasser Sabry, Diaa Khalil, Tarik Bourouina, Yamin Leprince-Wang

Proceedings Volume 11235, 112350W (2020) https://doi.org/10.1117/12.2545131

KEYWORDS: Microfluidics, Nanowires, Zinc oxide, Scanning electron microscopy, Biomimetics, Absorption, Biosensing, Water, Zoom lenses, Local area networks

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Proceedings Article | 4 March 2019 Presentation + Paper

Presentation + Paper

Ultra wide band MIR MEMS FTIR spectrometer

Amr Ghoname, Yasser Sabry, Momen Anwar, Ahmed Saeed, Bassam Saadany, Diaa Khalil

Proceedings Volume 10931, 109310Z (2019) https://doi.org/10.1117/12.2509378

KEYWORDS: Spectroscopy, Microelectromechanical systems, FT-IR spectroscopy, Sensors, Signal to noise ratio, Calibration, Absorption, Interferometers, Infrared spectroscopy, Silicon

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Proceedings Article | 4 March 2019 Paper

Paper

Zinc-oxide nanowires growth in-situ in microfluidic chamber

Mazen Erfan, Martine Gnambodoe-Capochichi, Marie Le Pivert, Frédéric Marty, Yasser Sabry, Tarik Bourouina, Yamin Leprince-Wang

Proceedings Volume 10875, 108750O (2019) https://doi.org/10.1117/12.2507877

KEYWORDS: Microfluidics, Scanning electron microscopy, Nanowires, Silicon, Absorption, UV-Vis spectroscopy, Zinc oxide, Spectroscopy, Light sources, Ocean optics

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Proceedings Article | 4 March 2019 Presentation + Paper

Presentation + Paper

Active fiber-ring enhanced absorption gas spectroscopy using multi-longitudinal mode tunable laser in the NIR

Mahmoud Selim, Yasser Sabry, George Adib, Diaa Khalil

Proceedings Volume 10925, 1092508 (2019) https://doi.org/10.1117/12.2508406

KEYWORDS: Absorption, Tunable lasers, Sensors, Spectroscopy, Resonators, Fiber lasers, Optical resonators, Absorption spectroscopy, Laser sources, Directional couplers, Fiber optics sensors

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Proceedings Article | 4 March 2019 Paper

Paper

Silicon photonics dual-coupler nested coupled cavities

Rabab Shalaby, Mahmoud Selim, George Adib, Yasser Sabry, Michael Gad, Diaa Khalil

Proceedings Volume 10923, 109231P (2019) https://doi.org/10.1117/12.2509661

KEYWORDS: Resonators, Silicon photonics, Waveguides, Silicon, Sensors, Optical filters, Microrings, Optical sensing

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Proceedings Article | 4 March 2019 Presentation

Presentation

Deeply etched silicon optical cavity with curved slotted micromirrors (Conference Presentation)

Ahmad Mahfouz, Haitham Omran, Yasser Sabry, Diaa Khalil, Frédéric Marty, Tarik Bourouina

Proceedings Volume 10931, 109310N (2019) https://doi.org/10.1117/12.2508208

KEYWORDS: Optical resonators, Mirrors, Silicon, Micromirrors, Optical microcavities, Telecommunications, Optical sensing, Microelectromechanical systems, Optical filters, Refractometry

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Proceedings Article | 4 March 2019 Presentation + Paper

Presentation + Paper

MEMS FTIR optical spectrometer enables detection of volatile organic compounds (VOCs) in part-per-billion (ppb) range for air quality monitoring

Alaa Fathy, Yasser Sabry, Mariam Amr, Martine Gnambodoe-Capo-chichi, Momen Anwar, Amr Ghoname, Ahmed Amr, Ahmed Saeed, Mina Gad, Mohamed Al Haron, Mazen Erfan, Yamin Leprince-Wang, Bassam Saadany, Diaa Khalil, Tarik Bourouina

Proceedings Volume 10931, 1093109 (2019) https://doi.org/10.1117/12.2508239

KEYWORDS: Spectroscopy, Microelectromechanical systems, FT-IR spectroscopy, Signal to noise ratio, Gases, Absorption, Liquids, Absorbance, Air contamination, Carbon monoxide

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Proceedings Article | 4 March 2019 Paper

Paper

Optimization of silicon on silica waveguides for mid-infrared applications at 4.28 um

Mina Sobhy, Michael Gad, Yasser Sabry, Diaa Khalil

Proceedings Volume 10923, 109231H (2019) https://doi.org/10.1117/12.2508079

KEYWORDS: Waveguides, Silicon, Silica, Absorption, Oxides, Free space, Mid-IR, Modal analysis, Wave propagation, Sensors

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Proceedings Article | 4 March 2019 Presentation + Paper

Presentation + Paper

MEMS swept laser source with enhanced performance

John Gerguis, Yasser Sabry, Ahmed Hassanen, Haitham Omran, Diaa Khalil

Proceedings Volume 10931, 1093105 (2019) https://doi.org/10.1117/12.2509897

KEYWORDS: Optical fibers, Microelectromechanical systems, Optical filters, GRIN lenses, Laser sources, Mirrors, Laser sintering, Tunable filters, Lens design, Fiber lasers

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Proceedings Article | 1 March 2019 Paper

Paper

Zinc-oxide nanowires characterization using optical reflectance

Mazen Erfan, Martine Gnambodoe-Capochichi, Marie Le Pivert, Frédéric Marty, Yasser Sabry, Yamin Leprince-Wang, Tarik Bourouina

Proceedings Volume 10919, 1091922 (2019) https://doi.org/10.1117/12.2507935

KEYWORDS: Scanning electron microscopy, Reflectivity, Zinc oxide, Nanowires, Ocean optics, Silicon, Optical testing, Refractive index, Reflection, Spectroscopy

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Proceedings Article | 27 February 2019 Paper

Paper

Monitoring the purification of tobacco smoke in air assisted by ZnO nanowires and using MEMS-FTIR spectrometer for online continuous analysis of volatile organic compounds (VOCs)

Martine Gnambodoe-Capo-Chichi, Alaa Fathy, Young Jai Kim, Mazen Erfan, Marie Le Pivert, Yasser Sabry, Yamin Leprince-Wang, Tarik Bourouina

Proceedings Volume 10914, 109141N (2019) https://doi.org/10.1117/12.2507983

KEYWORDS: Zinc oxide, Nanowires, Spectroscopy, Photocatalysis, Sensors, FT-IR spectroscopy, Microelectromechanical systems, Gases, Zinc, Scanning electron microscopy

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Proceedings Article | 26 February 2018 Presentation + Paper

Presentation + Paper

Vernier effect-based multiplication of the Sagnac beating frequency in ring laser gyroscope sensors

George Adib, Yasser Sabry, Diaa Khalil

Proceedings Volume 10512, 105121M (2018) https://doi.org/10.1117/12.2288837

KEYWORDS: Resonators, Gyroscopes, Fiber lasers, Laser resonators, Refractive index, Free space, Semiconductor optical amplifiers, Laser applications, Optical fibers, Laser optics

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Proceedings Article | 23 February 2018 Paper

Paper

Modeling of the emissivity of super-wavelength black silicon in the geometrical optics regime

Momen Anwar, Yasser Sabry, Diaa Khalil

Proceedings Volume 10526, 105262P (2018) https://doi.org/10.1117/12.2291477

KEYWORDS: Silicon, Geometrical optics, Data modeling, Femtosecond phenomena, Infrared radiation, Absorption, Modeling, Doping

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Proceedings Article | 22 February 2018 Paper

Paper

Ring-patterned plasmonic photonic crystal thermal light source for miniaturized near-infrared spectrometers

Shady Labib, Ahmed Elsayed, Yasser Sabry, Diaa Khalil

Proceedings Volume 10537, 105371F (2018) https://doi.org/10.1117/12.2288988

KEYWORDS: Black bodies, Absorption, Silicon, Plasmonics, Photonic crystals, Surface plasmons, Near infrared, Spectrometers, Light sources, Spectroscopy

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Proceedings Article | 22 February 2018 Paper

Paper

MEMS FTIR spectrometer with enhanced resolution for low cost gas sensing in the NIR

Islam Samir, Yasser Sabry, Mazen Erfan, Niveen Badra, Diaa Khalil

Proceedings Volume 10545, 105450E (2018) https://doi.org/10.1117/12.2288996

KEYWORDS: Autoregressive models, Spectroscopy, Microelectromechanical systems, Resolution enhancement technologies, FT-IR spectroscopy, Absorption, Carbon monoxide, Michelson interferometers, Gases, Near infrared

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Proceedings Article | 22 February 2018 Paper

Paper

MEMS-based Fourier transform spectrometer using pulsed infrared light source

Ahmed Othman, Hussein Kotb, Yasser Sabry, Diaa Khalil

Proceedings Volume 10545, 105450Y (2018) https://doi.org/10.1117/12.2287481

KEYWORDS: Modulation, Spectroscopy, Distortion, Signal to noise ratio, FT-IR spectroscopy, Infrared spectroscopy, Microelectromechanical systems

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Proceedings Article | 22 February 2018 Paper

Paper

Optical MEMS notch filter based on the multi-mode interference in a butterfly metallic waveguide

Mohamed Kilany, Yasser Sabry, Mazen Erfan, Ahmed Othman, Sébastien Nazeer, Diaa Khalil

Proceedings Volume 10545, 105450L (2018) https://doi.org/10.1117/12.2288848

KEYWORDS: Optical filtering, Optical filter design, Wave propagation interference, Waveguides, Microopto electromechanical systems, Optical filters, Deep reactive ion etching, Silicon, Microelectromechanical systems, Multimode interference devices, Semiconducting wafers

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Proceedings Article | 16 February 2018 Presentation + Paper

Presentation + Paper

Dual coupler coupled cavities optical gyroscope with enhanced performance

George Adib, Yasser Sabry, Diaa Khalil

Proceedings Volume 10518, 1051810 (2018) https://doi.org/10.1117/12.2291047

KEYWORDS: Gyroscopes, Resonators, Waveguides, Sensors, Wave propagation, Solids, Integrated optics, Magnetism, Sensor technology, Photodetectors

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Proceedings Article | 5 May 2017 Paper

Paper

Ultra-compact MEMS FTIR spectrometer

Yasser Sabry, Khaled Hassan, Momen Anwar, Mohamed Alharon, Mostafa Medhat, George Adib, Rich Dumont, Bassam Saadany, Diaa Khalil

Proceedings Volume 10210, 102100H (2017) https://doi.org/10.1117/12.2268078

KEYWORDS: Microelectromechanical systems, Spectroscopy, Sensors, Micro optics, Near infrared spectroscopy, FT-IR spectroscopy, Spectroscopes, Silicon, Silicon photonics, Field spectroscopy, Reflectors, Interferometers, Mirrors, Light sources

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Proceedings Article | 24 February 2017 Presentation + Paper

Presentation + Paper

Multi-segment tapered optical mirror for MEMS LiDAR application

Mostafa Abdelsalam, Yasser Sabry, Mazen Erfan, Diaa Khalil

Proceedings Volume 10096, 100960O (2017) https://doi.org/10.1117/12.2251330

KEYWORDS: Mirrors, Microelectromechanical systems, LIDAR, Sensors, Space telescopes, Receivers, Ranging, Robotics, Scanners, Electronics, Ray tracing, Waveguides, Computer simulations, Reflectivity, Mirror structures

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Proceedings Article | 22 February 2017 Paper

Paper

Tunable and non-reciprocal dual-wavelength SOA-fiber ring laser

Yasser Sabry, Kamal Khalil, Diaa Khalil

Proceedings Volume 10083, 1008324 (2017) https://doi.org/10.1117/12.2250003

KEYWORDS: Tunable lasers, Terahertz radiation, Optical filters, Fiber lasers, Fiber amplifiers, Microwave radiation, Fiber Bragg gratings, Polarization, Fabry–Perot interferometers, Tunable filters

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Proceedings Article | 22 February 2017 Paper

Paper

Characterization and modelling of multimode optical fiber for MOEMS applications using the elementary source method

Alaa Fathy, Yasser Sabry, Diaa Khalil

Proceedings Volume 10098, 100980X (2017) https://doi.org/10.1117/12.2251344

KEYWORDS: Multimode fibers, Optical fibers, Imaging spectroscopy, Modeling, Spectrometers, Near field, Instrument modeling, Microopto electromechanical systems, Near field optics, Optical sensing, Fourier transforms, CMOS cameras, Interferometers, Helium neon lasers, Light emitting diodes

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Proceedings Article | 20 February 2017 Presentation + Paper

Presentation + Paper

Environmental mid-infrared gas sensing using MEMS FTIR spectrometer

Mazen Erfan, Ahmed Elsayed, Yasser Sabry, Bassem Mortada, Khaled Sharaf, Diaa Khalil

Proceedings Volume 10116, 101160L (2017) https://doi.org/10.1117/12.2251345

KEYWORDS: Spectroscopy, Microelectromechanical systems, Absorption, Sensors, Signal to noise ratio, Environmental sensing, FT-IR spectroscopy, Deep reactive ion etching, Gas sensors, Carbon dioxide, Carbon monoxide, Silicon, Mid-IR, Michelson interferometers

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Proceedings Article | 20 February 2017 Paper

Paper

Gain-assisted broadband ring cavity enhanced spectroscopy

Mahmoud Selim, George Adib, Yasser Sabry, Diaa Khalil

Proceedings Volume 10110, 101100X (2017) https://doi.org/10.1117/12.2251099

KEYWORDS: Absorption, Spectroscopy, Photonic devices, Light-matter interactions, Gases, Environmental sensing, Fabry–Perot interferometers, Resonators, Directional couplers, Optical resonators, Optical fibers, Semiconductor optical amplifiers, Spectroscopes

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Proceedings Article | 27 April 2016 Paper

Paper

Optical filter finesses enhancement based on nested coupled cavities and active medium

George Adib, Yasser Sabry, Diaa Khalil

Proceedings Volume 9893, 989316 (2016) https://doi.org/10.1117/12.2227396

KEYWORDS: Microwave photonic filters, Optical filters, Resonators, Electronic filtering, Optical coherence tomography, Laser applications, Semiconductor optical amplifiers, Spectrum analysis, Optical amplifiers, Dense wavelength division multiplexing, Fabry–Perot interferometers, Interferometers, Active optics, Fiber lasers, Directional couplers, Laser sources

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Proceedings Article | 15 March 2016 Paper

Paper

Mid infrared MEMS FTIR spectrometer

Mazen Erfan, Yasser Sabry, Bassem Mortada, Khaled Sharaf, Diaa Khalil

Proceedings Volume 9760, 97600K (2016) https://doi.org/10.1117/12.2210973

KEYWORDS: Spectroscopy, Microelectromechanical systems, Deep reactive ion etching, Sensors, Interferometers, Mid-IR, Fourier transforms, Actuators, Michelson interferometers, Near infrared, FT-IR spectroscopy, Absorption, Light sources, Optical fibers

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Proceedings Article | 15 March 2016 Paper

Paper

Novel Fourier transform infrared spectrometer architecture based on cascaded Fabry-Perot interferometers

Yomna Eltagoury, Yasser Sabry, Diaa Khalil

Proceedings Volume 9760, 97600L (2016) https://doi.org/10.1117/12.2211614

KEYWORDS: Spectroscopy, Interferometers, Mirrors, FT-IR spectroscopy, Microelectromechanical systems, Fourier transforms, Deep reactive ion etching, Actuators, Microopto electromechanical systems, Fabry–Perot interferometry

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Proceedings Article | 15 March 2016 Paper

Paper

Deeply-etched micromirror with vertical slit and metallic coating enabling transmission-type optical MEMS filters

Muhammad Othman, Yasser Sabry, Mohamed Sadek, Ismail Nassar, Diaa Khalil

Proceedings Volume 9760, 97600J (2016) https://doi.org/10.1117/12.2211323

KEYWORDS: Optical filters, Micromirrors, Dielectric filters, Wafer-level optics, Microopto electromechanical systems, Deep reactive ion etching, Coating, Microelectromechanical systems, Etching, Metallic coatings, Mirrors, Reflectivity, Reflection, Optical fibers

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Proceedings Article | 14 March 2016 Paper

Paper

Black silicon-based infrared radiation source

Momen Anwar, Yasser Sabry, Philippe Basset, Frédéric Marty, Tarik Bourouina, Diaa Khalil

Proceedings Volume 9752, 97520E (2016) https://doi.org/10.1117/12.2211668

KEYWORDS: Silicon, Metals, Resistance, Infrared radiation, Black bodies, Sensors, Spectroscopy, Microelectromechanical systems, Reactive ion etching, Dielectrics

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Proceedings Article | 11 March 2016 Paper

Paper

Characterization technique for long optical fiber cavities based on beating spectrum of multi-longitudinal mode fiber laser and beating spectrum in the RF domain

George Adib, Yasser Sabry, Diaa Khalil

Proceedings Volume 9728, 97281K (2016) https://doi.org/10.1117/12.2211328

KEYWORDS: Fiber lasers, Fiber characterization, Optical fibers, Optical resonators, Sensors, Spectrum analysis, Resonators, Laser sources, Environmental sensing, Optical filters, Laser resonators, Modulation, Electronic filtering, Modes of laser operation

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Proceedings Article | 4 March 2015 Paper

Paper

Thermal stability of multi-longitudinal mode laser beating frequencies in hybrid semiconductor-fiber ring lasers

Ahmed Shebl, Khaled Hassan, Fares Al-Arifi, Mohammed Al-Otaibi, Yasser Sabry, Diaa Khalil

Proceedings Volume 9344, 93442L (2015) https://doi.org/10.1117/12.2078294

KEYWORDS: Semiconductor lasers, Fiber lasers, Temperature metrology, Laser stabilization, Semiconductors, Laser resonators, Spectrum analysis, Sensors, Laser applications, Semiconductor optical amplifiers

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Proceedings Article | 4 March 2015 Paper

Paper

Bidirectional single-longitudinal mode SOA-fiber ring laser based on optical filter assisted gain starvation

Kamal Khalil, Fares Al-Arifi, Mohammed Al-Otaibi, Yasser Sabry, Diaa Khalil

Proceedings Volume 9344, 93442M (2015) https://doi.org/10.1117/12.2078247

KEYWORDS: Optical filters, Spatial light modulators, Fiber lasers, Fabry–Perot interferometers, Spectrum analysis, Laser applications, Laser optics, Laser systems engineering, Electronic filtering, Tunable lasers

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Proceedings Article | 27 February 2015 Paper

Paper

MEMS-based frequency modulation of fiber ring laser

Kamal Khalil, Khaled Hassan, Ahmed Shebl, Mostafa Soliman, Fares Al-Arifi, Mohammed Al-Otaibi, Yomna Eltagoury, Yasser Sabry, Diaa Khalil

Proceedings Volume 9375, 93750V (2015) https://doi.org/10.1117/12.2078273

KEYWORDS: Fiber lasers, Microelectromechanical systems, Modulation, Modulators, Frequency modulation, Mirrors, Laser systems engineering, Phase shift keying, Actuators, Laser applications

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Proceedings Article | 27 February 2015 Paper

Paper

Fiber-coupled Fabry-Pérot notch filter combining in-plane axis, high speed MEMS tunability and large etching depth

Yasser Sabry, Yomna Eltagoury, Ahmed Shebl, Mostafa Soliman, Diaa Khalil

Proceedings Volume 9375, 93750U (2015) https://doi.org/10.1117/12.2078155

KEYWORDS: Actuators, Microelectromechanical systems, Optical filters, Micromirrors, Mirrors, Optical fibers, Linear filtering, Wafer-level optics, Deep reactive ion etching, Etching

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Proceedings Article | 7 March 2014 Paper

Paper

MMI-based MOEMS FT spectrometer for visible and IR spectral ranges

Bassem Al-Demerdash, Mostafa Medhat, Yasser Sabry, Bassam Saadany, Diaa Khalil

Proceedings Volume 8977, 89770R (2014) https://doi.org/10.1117/12.2038641

KEYWORDS: Spectroscopy, Beam splitters, Interferometers, Microelectromechanical systems, Visible radiation, Infrared spectroscopy, Actuators, Microopto electromechanical systems, Silicon, Signal to noise ratio

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Proceedings Article | 7 March 2014 Paper

Paper

Three-dimensional collimation of in-plane-propagating light using silicon micromachined mirror

Yasser Sabry, Diaa Khalil, Bassam Saadany, Tarik Bourouina

Proceedings Volume 8977, 89770J (2014) https://doi.org/10.1117/12.2038671

KEYWORDS: Micromirrors, Silicon, Mirrors, Collimation, Single mode fibers, Sensors, Free space optics, Deep reactive ion etching, Beam propagation method, Isotropic etching

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Proceedings Article | 7 March 2014 Paper

Paper

MEMS optical tunable filter based on free-standing subwavelength silicon layers

Haitham Omran, Yasser Sabry, Mohamed Sadek, Khaled Hassan, Mohamed Shalaby, Diaa Khalil

Proceedings Volume 8977, 89770V (2014) https://doi.org/10.1117/12.2040767

KEYWORDS: Microelectromechanical systems, Mirrors, Silicon, Optical filters, Tunable filters, Actuators, Etching, Wafer-level optics, Semiconducting wafers, Dielectrics

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Proceedings Article | 4 March 2014 Paper

Paper

Dual-fiber OCT measurements

Alaa Elhady, Yasser Sabry, Mohamed Yehia, Diaa Khalil

Proceedings Volume 8934, 89343J (2014) https://doi.org/10.1117/12.2036485

KEYWORDS: Optical coherence tomography, Scanners, Microelectromechanical systems, Single mode fibers, Optical fibers, Light scattering, Glasses, Mirrors, Interfaces, Directional couplers

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SPIE Journal Paper | 16 December 2013

In-plane external fiber Fabry–Perot cavity comprising silicon micromachined concave mirror

Yasser Sabry, Diaa Khalil, Bassam Saadany, Tarik Bourouina

JM3, Vol. 13, Issue 01, 011110, (December 2013) https://doi.org/10.1117/12.10.1117/1.JMM.13.1.011110

KEYWORDS: Mirrors, Micromirrors, Silicon, Gaussian beams, Optical fibers, Diffraction, Reflectivity, Reflection, 3D modeling, Micromachining

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Proceedings Article | 13 March 2013 Paper

Paper

Wide steering angle microscanner based on curved surface

Yasser Sabry, Diaa Khalil, Bassam Saadany, Tarik Bourouina

Proceedings Volume 8616, 86160F (2013) https://doi.org/10.1117/12.2003000

KEYWORDS: Mirrors, Reflectors, Actuators, Wafer-level optics, Microelectromechanical systems, Micromirrors, Semiconducting wafers, Integrated optics, Deep reactive ion etching, Beam steering

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Proceedings Article | 13 March 2013 Paper

Paper

In-plane diffraction loss free optical cavity using coated optical fiber and silicon micromachined spherical mirror

Yasser Sabry, Tarik Bourouina, Bassam Saadany, Diaa Khalil

Proceedings Volume 8616, 86160P (2013) https://doi.org/10.1117/12.2002994

KEYWORDS: Mirrors, Silicon, Optical fibers, Spherical lenses, Diffraction, Optical resonators, Reflectivity, Micromirrors, Fiber coatings, Microelectromechanical systems

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SPIE Journal Paper | 7 May 2012

Parameter extraction of MEMS comb-drive near-resonance equivalent circuit: physically-based technique for a unique solution

Yasser Sabry, Mostafa Medhat, Bassam Saadany, Diaa Khalil, Tarik Bourouina

JM3, Vol. 11, Issue 02, 021205, (May 2012) https://doi.org/10.1117/12.10.1117/1.JMM.11.2.021205

KEYWORDS: Capacitance, Microelectromechanical systems, Actuators, Resonators, Inductance, Silicon, Resistance, Aluminum, MATLAB, Optimization (mathematics)

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Proceedings Article | 14 February 2011 Paper

Paper

Characterization of MEMS FTIR spectrometer

Diaa Khalil, Yasser Sabry, Haitham Omran, Mostafa Medhat, Amr Hafez, Bassam Saadany

Proceedings Volume 7930, 79300J (2011) https://doi.org/10.1117/12.876124

KEYWORDS: Spectroscopy, Mirrors, Interferometers, Microelectromechanical systems, Actuators, Capacitance, FT-IR spectroscopy, Deep reactive ion etching, Fourier transforms, Calibration

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Showing 5 of 79 publications

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