Dr. Waleed S. Mohammed Profile

Dr. Waleed S. Mohammed

Graduate Student at Bangkok Univ

SPIE Involvement:

Author

Publications (30)

Proceedings Article | 27 October 2021 Paper

Modeling the dynamic optical gain in a 3D printed waveguide due to polymer swelling

Kunal Sharma, Waleed Mohammed, Tanujjal Bora

Proceedings Volume 11927, 119270B (2021) https://doi.org/10.1117/12.2616255

KEYWORDS: Waveguides, Polymers, Bioalcohols, 3D modeling, Polymer multimode waveguides, Diffusion, Scattering, Molecules, Cladding, Refractive index

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Proceedings Article | 5 March 2021 Presentation + Paper

Numerical investigation of Au-silane functionalised optical fibre sensor for volatile organic compounds biomarker (VOCs) detection

Prattakorn Metem, Wisarn Patchoo, Waleed Mohammed, Charusluk Viphavakit

Proceedings Volume 11635, 116350P (2021) https://doi.org/10.1117/12.2578258

KEYWORDS: Sensors, Optical fibers, Single mode fibers, Absorption, Structured optical fibers, Silica, Numerical modeling, Near infrared, Natural surfaces, Nanoparticles

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SPIE Journal Paper | 22 September 2020

Multilayer for antireflection coating applications using metal nanoparticles to provide ultraviolet blocking

Sunil Deka, Waleed Mohammed

JNP, Vol. 14, Issue 03, 036016, (September 2020) https://doi.org/10.1117/12.10.1117/1.JNP.14.036016

KEYWORDS: Nanoparticles, Silver, Metals, Thin films, Ultraviolet radiation, Antireflective coatings, Absorption, Near ultraviolet, Multilayers, Scattering

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SPIE Journal Paper | 23 September 2017

Utilization of ZnO nanorods growth on a tip of plastic optical fiber toward the realization of low-cost CO and CO₂ gas sensor

Hoorieh Fallah, Mahmood Afra, Ezeddin Mohajerani, Waleed Mohammad

JNP, Vol. 11, Issue 03, 036023, (September 2017) https://doi.org/10.1117/12.10.1117/1.JNP.11.036023

KEYWORDS: Carbon monoxide, Zinc oxide, Nanorods, Gas sensors, Scattering, Polymer optical fibers, Oxides, Metals, Reflection, Backscatter

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Proceedings Article | 23 April 2017 Paper

Low cost portable sensor for real-time monitoring of lower back bending

Wern Kam, Kieran O'Sullivan, Waleed Mohammed, Elfed Lewis

Proceedings Volume 10323, 1032373 (2017) https://doi.org/10.1117/12.2264787

KEYWORDS: Spine, Phase only filters, Bone, Skin, Therapeutics, Optoelectronics, Sensors, Optical fibers, Polymer optical fibers, Calibration

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SPIE Journal Paper | 7 October 2016

Plastic optical fiber for wide field-of-view optical wireless receiver

Hoorieh Fallah, Karel Sterckx, Poompat Saengudomlert, Waleed Mohammed

OE, Vol. 55, Issue 10, 106104, (October 2016) https://doi.org/10.1117/12.10.1117/1.OE.55.10.106104

KEYWORDS: Polymer optical fibers, Receivers, Optical fibers, Sensors, Light emitting diodes, Transmitters, Field programmable gate arrays, Telecommunications, Aluminum, Wireless communications

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SPIE Journal Paper | 8 August 2016

Applied light-side coupling with optimized spiral-patterned zinc oxide nanorod coatings for multiple optical channel alcohol vapor sensing

Hazli Rafis Bin Abdul Rahim, Muhammad Quisar Bin Lokman, Sulaiman Wadi Harun, Gabor Louis Hornyak, Karel Sterckx, Waleed Soliman Mohammed, Joydeep Dutta

JNP, Vol. 10, Issue 03, 036009, (August 2016) https://doi.org/10.1117/12.10.1117/1.JNP.10.036009

KEYWORDS: Nanorods, Zinc oxide, Phase only filters, Bioalcohols, Sensors, Optical coatings, Optical fibers, Channel projecting optics, Light scattering, Image segmentation

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Proceedings Article | 29 July 2015 Paper

Theoretical modeling of index contrast towards all-optical switching in fiber Bragg grating

Shradha Koli, Chandan Pandey, Gabor Hornyak, Waleed Mohammed

Proceedings Volume 9659, 96590Y (2015) https://doi.org/10.1117/12.2196139

KEYWORDS: Fiber Bragg gratings, Switching, Nonlinear optics, Bismuth, Modulation, Interfaces, Neodymium, Optical switching, Logic devices, Refractive index

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Proceedings Article | 29 July 2015 Paper

Synthesis and characterization of hydrothermally grown zinc oxide (ZnO) nanorods for optical waveguide application

Chandan Pandey, Rafis Rahim, S. Manjunath, Gabor Hornyak, Waleed Mohammed

Proceedings Volume 9659, 96590X (2015) https://doi.org/10.1117/12.2196129

KEYWORDS: Waveguides, Zinc oxide, Glasses, Light wave propagation, Refractive index, Waveguide modes, Radio propagation, Zinc, Refraction, Nanorods

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Proceedings Article | 2 May 2014 Paper

Characterization of polymer nanowires fabricated using the nanoimprint method

Charusluk Viphavakit, Nithi Atthi, Sakoolkan Boonruang, Christos Themistos, Waleed Mohammed, Kyriacos Kalli, B.M. Azizur Rahman, Michael Komodromos

Proceedings Volume 9126, 912632 (2014) https://doi.org/10.1117/12.2052276

KEYWORDS: Polymers, Waveguides, Silica, Cladding, Nanolithography, Nanoimprint lithography, Image processing, Neodymium, Signal processing, Nanowires

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