Dr. Aravinda Kar Profile

Dr. Aravinda Kar

Professor at CREOL The College of Optics and Photonics

SPIE Involvement:

Conference Program Committee | Author

Publications (39)

Proceedings Article | 12 March 2024 Presentation + Paper

CO2 laser additive manufacturing of multilayer heterogeneous transparent films using TiO2 and SiO2 nanoparticles

Yahya Bougdid, Gunjan Kulkarni, Francois Chenard, Chandraika Sugrim, Ranganathan Kumar, Aravinda Kar

Proceedings Volume 12876, 128760J (2024) https://doi.org/10.1117/12.3003116

KEYWORDS: Sintering, Reflectivity, Film thickness, Absorption, Refractive index, Transmittance, Laser processing, Silica, Nanoparticles, Titanium dioxide

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Proceedings Article | 17 March 2023 Presentation + Paper

Transmittance of TiO2 Nanoparticle-based Films Deposited by CO2 Laser Heating

Yahya Bougdid, Francois Chenard, John Sugrim, Ranganathan Kumar, Aravinda Kar

Proceedings Volume 12412, 1241209 (2023) https://doi.org/10.1117/12.2647981

KEYWORDS: Sintering, Nanoparticles, Gas lasers, Laser sintering, Laser processing, Titanium dioxide, Carbon monoxide, Transmittance, Laser applications, Film thickness

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Proceedings Article | 28 February 2020 Presentation + Paper

Direct laser writing below the diffraction limit using spatially and temporally tuned ultrashort pulses

Boyang Zhou, Aravindar Kar, MJ Soileau, Xiaoming Yu

Proceedings Volume 11292, 1129215 (2020) https://doi.org/10.1117/12.2550450

KEYWORDS: Silica, Laser ablation, Femtosecond phenomena, Ionization, Dielectrics, Beam splitters, Diffraction, Ultrafast phenomena

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Proceedings Article | 4 March 2019 Paper

Optical breakdown and sub-optical-cycle dynamics of ultrafast laser induced damage in fused silica

Boyang Zhou, Arifur Rahaman, Xinpeng Du, He Cheng, Yingjie Chai, Aravinda Kar, M.J. Soileau, Xiaoming Yu

Proceedings Volume 10906, 109061R (2019) https://doi.org/10.1117/12.2510787

KEYWORDS: Polarization, Ionization, Laser induced damage, Femtosecond phenomena, Dielectrics, Ultrafast lasers, Ultrafast phenomena

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Proceedings Article | 14 May 2018 Presentation + Paper

Uncooled resistive metal foil bolometers for imaging with radiofrequency magnetic fields

Jeffrey Jennings, Raj Vaidyanathan, Aravinda Kar

Proceedings Volume 10656, 106560F (2018) https://doi.org/10.1117/12.2305042

KEYWORDS: Magnetism, Bolometers, Sensors, Magnetic resonance imaging, Magnetic sensors, Imaging systems, Metals

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Proceedings Article | 14 May 2018 Presentation + Paper

Silver nanoparticle electrospray laser deposition for additive manufacturing of microlayers on rigid or flexible substrates

Eduardo Castillo, Ranganathan Kumar, Aravinda Kar

Proceedings Volume 10667, 106670M (2018) https://doi.org/10.1117/12.2306826

KEYWORDS: Nanoparticles, Silver, Silicon, Silicon films, Laser sintering, Thin film deposition, Thin films, Additive manufacturing, Capillaries, Semiconducting wafers

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Proceedings Article | 8 October 2014 Paper

The effect of film properties and laser processing parameters on the laser ablation of molybdenum thin films

Eric Schneller, Rafael Rodrigues, Neelkanth Dhere, Aravinda Kar

Proceedings Volume 9180, 91800K (2014) https://doi.org/10.1117/12.2062461

KEYWORDS: Laser processing, Molybdenum, Laser ablation, Thin films, Thin film solar cells, Pulsed laser operation, Copper indium gallium selenide, Photomicroscopy, Scanning electron microscopy, Oxidation

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Proceedings Article | 7 October 2014 Paper

Overview of laser processing in solar cell fabrication

Eric Schneller, Neelkanth Dhere, Aravinda Kar

Proceedings Volume 9180, 918002 (2014) https://doi.org/10.1117/12.2062023

KEYWORDS: Laser processing, Semiconductor lasers, Silicon, Solar cells, Laser applications, Thin films, Doping, Annealing, Thin film solar cells, Photovoltaics

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Proceedings Article | 5 September 2014 Paper

Silicon carbide novel optical sensor for combustion systems and nuclear reactors

Geunsik Lim, Aravinda Kar

Proceedings Volume 9189, 918909 (2014) https://doi.org/10.1117/12.2058533

KEYWORDS: Silicon carbide, Sensors, Carbon dioxide, Reflectivity, Carbon monoxide, Electrons, NOx, Gases, Refractive index, Combustion

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Proceedings Article | 16 September 2013 Paper

Study of the laser scribing of molybdenum thin films fabricated using different deposition techniques

Eric Schneller, Neelkanth Dhere, Juliana Shimada, Aravinda Kar

Proceedings Volume 8826, 88260C (2013) https://doi.org/10.1117/12.2024430

KEYWORDS: Molybdenum, Laser processing, Thin films, Copper indium gallium selenide, Laser ablation, Thin film solar cells, Fabrication, Optical lithography, Solar cells, Thin film devices

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Proceedings Article | 6 June 2013 Paper

Electron dynamics for uncooled MWIR SiC detector for digital imaging

John Zeller, Geunsik Lim, Tariq Manzur, Aravinda Kar

Proceedings Volume 8711, 871118 (2013) https://doi.org/10.1117/12.2020800

KEYWORDS: Sensors, Silicon carbide, Mid-IR, Gallium, Doping, Neodymium, Infrared sensors, Photons, Light emitting diodes, Reflectivity

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Proceedings Article | 19 October 2012 Paper

Uncooled MWIR SiC optical detector response dynamics and digital imaging

John Zeller, Tariq Manzur, Aravinda Kar

Proceedings Volume 8540, 854007 (2012) https://doi.org/10.1117/12.2009521

KEYWORDS: Sensors, Mid-IR, Electrons, Silicon carbide, Reflectivity, Photons, Helium neon lasers, Refractive index, Neodymium, Gallium

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Proceedings Article | 12 October 2012 Paper

Review of laser material interaction to improve CIGSeS thin film solar cells

Neelkanth Dhere, Ashwani Kaul, Juliana Shimada, Aravinda Kar

Proceedings Volume 8473, 84730G (2012) https://doi.org/10.1117/12.940756

KEYWORDS: Copper indium gallium selenide, Laser development, Solar cells, Laser processing, Molybdenum, Thin films, Pulsed laser operation, Electrons, Thin film solar cells, Solar energy

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Proceedings Article | 22 June 2012 Paper

Uncooled silicon carbide sensor producing optical signal

Geunsik Lim, Tariq Manzur, Aravinda Kar

Proceedings Volume 8359, 83591A (2012) https://doi.org/10.1117/12.1000118

KEYWORDS: Sensors, Silicon carbide, Photons, Mid-IR, Reflectivity, Gallium, Signal detection, Refractive index, Helium neon lasers, Semiconductors

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Proceedings Article | 3 November 2010 Paper

MWIR room temperature photodetector based on laser-doped silicon carbide

Geunsik Lim, Tariq Manzur, Aravinda Kar

Proceedings Volume 7833, 78330U (2010) https://doi.org/10.1117/12.868280

KEYWORDS: Sensors, Silicon carbide, Mid-IR, Refractive index, Photodetectors, Reflectivity, Silicon, Absorption, Infrared sensors, Semiconductors

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Proceedings Article | 25 September 2009 Paper

Laser fabrication of silicon carbide detector for gas sensing and focal plane array imaging

Geunsik Lim, Tariq Manzur, Aravinda Kar

Proceedings Volume 7480, 74800Y (2009) https://doi.org/10.1117/12.835084

KEYWORDS: Sensors, Silicon carbide, Refractive index, Reflectivity, Mid-IR, Photons, Semiconductors, Absorption, Infrared radiation, Gallium

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SPIE Journal Paper | 1 July 2009

Diffractive optical elements for pitchfork beam shaping

Chong Zhang, Nathaniel Quick, Aravinda Kar

OE, Vol. 48, Issue 07, 078001, (July 2009) https://doi.org/10.1117/12.10.1117/1.3183919

KEYWORDS: Diffractive optical elements, Laser drilling, Optical design, Beam shaping, Diffraction, Chemical elements, Optical components, Gaussian beams, Optical engineering, Laser systems engineering

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Proceedings Article | 13 February 2007 Paper

Silicon carbide white light LEDs for solid-state lighting

Sachin Bet, Nathaniel Quick, Aravinda Kar

Proceedings Volume 6486, 648613 (2007) https://doi.org/10.1117/12.724918

KEYWORDS: Silicon carbide, Light emitting diodes, Chromium, Doping, Chemical species, Nitrogen, Selenium, Aluminum, Luminescence, Electroluminescence

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SPIE Journal Paper | 1 September 2006

Characteristic analysis of a refractive axicon system for optical trepanning

Danyong Zeng, William Latham, A. Kar

OE, Vol. 45, Issue 09, 094302, (September 2006) https://doi.org/10.1117/12.10.1117/1.2353119

KEYWORDS: Axicons, Diffraction, Laser drilling, Geometrical optics, Optical components, Optical engineering, Collimation, Optics manufacturing, Laser optics, Near field diffraction

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Proceedings Article | 31 August 2006 Paper

Optical trepanning with a refractive axicon lens system

D. Zeng, W. Latham, A. Kar

Proceedings Volume 6290, 62900J (2006) https://doi.org/10.1117/12.684102

KEYWORDS: Axicons, Laser drilling, Diffraction, Photomicroscopy, Optical components, Optics manufacturing, Lens design, Laser energy, Pulsed laser operation, Geometrical optics

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SPIE Journal Paper | 1 January 2006

Shaping of annular laser intensity profiles and their thermal effects for optical trepanning

Danyong Zeng, William Latham, Aravinda Kar

OE, Vol. 45, Issue 01, 014301, (January 2006) https://doi.org/10.1117/12.10.1117/1.2150789

KEYWORDS: Laser drilling, Axicons, Gaussian beams, Geometrical optics, Refraction, Thermography, Optical engineering, Lens design, Beam shaping, Pulsed laser operation

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Proceedings Article | 18 August 2005 Paper

Design and characteristic analysis of shaping optics for optical trepanning

D. Zeng, W. Latham, A. Kar

Proceedings Volume 5876, 58760M (2005) https://doi.org/10.1117/12.619020

KEYWORDS: Axicons, Diffraction, Laser drilling, Gaussian beams, Numerical analysis, Geometrical optics, Optics manufacturing, Laser energy, Collimation, Bessel beams

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Proceedings Article | 18 August 2005 Paper

Annular beam analysis of an optical trepanning system

D. Zeng, W. Latham, P. Jacobs, A. Kar

Proceedings Volume 5876, 58760L (2005) https://doi.org/10.1117/12.619016

KEYWORDS: Axicons, Diffraction, Laser drilling, Lenses, Monochromatic aberrations, Gaussian beams, Geometrical optics, Collimation, Beam analyzers, Optics manufacturing

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Proceedings Article | 12 April 2005 Paper

Laser doping of germanium

T. Mahaney, Andrey Muravjov, Maxim Dolguikh, Thomas Winningham, Robert Peale, Zhaoxu Tian, Sachin Bet, Aravinda Kar, Mikhail Klimov

Proceedings Volume 5713, (2005) https://doi.org/10.1117/12.585470

KEYWORDS: Aluminum, Germanium, Doping, Crystals, Etching, Laser crystals, Surface finishing, Semiconducting wafers, Ions, Diffusion

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Proceedings Article | 29 September 2004 Paper

Modeling of Gaussian-to-annular beam shaping by geometrical optics for optical trepanning

Danyong Zeng, William Latham, Aravinda Kar

Proceedings Volume 5525, (2004) https://doi.org/10.1117/12.561084

KEYWORDS: Geometrical optics, Refraction, Radium, Laser drilling, Axicons, Gaussian beams, Beam shaping, Lens design, Ruthenium, Roentgenium

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Proceedings Article | 17 June 2003 Paper

Modeling of high-power solid state slab lasers

Bin Chen, J. Dong, M. Patel, Y. Chen, Aravinda Kar, Michael Bass

Proceedings Volume 4968, (2003) https://doi.org/10.1117/12.501644

KEYWORDS: Nd:YAG lasers, Absorption, Solid state lasers, High power lasers, Semiconductor lasers, YAG lasers, Solid state physics, Laser development, Crystals, Laser crystals

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Proceedings Article | 3 March 2003 Paper

Laser microprocessing of wide-bandgap materials

Islam Salama, N. Quick, Aravinda Kar

Proceedings Volume 4831, (2003) https://doi.org/10.1117/12.486496

KEYWORDS: Silicon carbide, Nitrogen, Diamond, Doping, Laser irradiation, Silicon, Laser processing, Resistance, Raman spectroscopy, Diffusion

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Proceedings Article | 3 March 2000 Paper

Calculated and measured laser-induced damage threshold (LIDT) in glass and metal optics

Madhu Acharekar, Peter Morrison, Deepak Sengupta, Aravinda Kar

Proceedings Volume 3902, (2000) https://doi.org/10.1117/12.379294

KEYWORDS: Laser drilling, Laser induced damage, Pulsed laser operation, Glasses, Silica, Explosives, Thulium, Laser damage threshold, Solids, Absorption

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Proceedings Article | 7 February 2000 Paper

Plasma instability and optimum utilization of laser energy in laser materials processing

Franz-Josef Kahlen, Hermann Emminger, Srikanth Sankaranarayanan, Aravinda Kar

Proceedings Volume 3888, (2000) https://doi.org/10.1117/12.377016

KEYWORDS: Plasma, Absorption, Laser energy, Laser processing, Liquids, Metals, Continuous wave operation, Energy transfer, Aluminum, Pulsed laser operation

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Proceedings Article | 14 January 2000 Paper

Review of the simple model for metal cutting with the chemical oxygen-iodine laser

W. Pete Latham, Aravinda Kar

Proceedings Volume 3887, (2000) https://doi.org/10.1117/12.375183

KEYWORDS: Laser cutting, Chemical lasers, Chemical oxygen iodine lasers, Metals, Aluminum, Performance modeling, Mathematical modeling, Solids, Analytical research, Laser processing

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Proceedings Article | 14 January 2000 Paper

Cutting performance of a chemical oxygen-iodine laser on aerospace and industrial materials

W. Pete Latham, Kip Kendrick, James Rothenflue, Aravinda Kar, David Carroll

Proceedings Volume 3887, (2000) https://doi.org/10.1117/12.375181

KEYWORDS: Laser cutting, Data modeling, Chemical oxygen iodine lasers, Aluminum, Chemical lasers, Metals, Copper, Titanium, Resonators, Aerospace engineering

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Proceedings Article | 1 June 1999 Paper

Diffractive optics for laser welding and bonding

John Hammond, Eric Johnson, Charles Koehler, Jared Stack, Thomas Suleski, Aravinda Kar, Wen Guo

Proceedings Volume 3633, (1999) https://doi.org/10.1117/12.349328

KEYWORDS: Laser welding, Aluminum, Diffractive optical elements, Beam shaping, Beam splitters, Aerospace engineering, Laser optics, Laser processing, Laser systems engineering, Gaussian beams

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Proceedings Article | 12 May 1998 Paper

Cutting performance of a chemical oxygen-iodine laser

W. Pete Latham, James Rothenflue, Charles Helms, Aravinda Kar, David Carroll

Proceedings Volume 3268, (1998) https://doi.org/10.1117/12.308059

KEYWORDS: Laser cutting, Aluminum, Chemical oxygen iodine lasers, Copper, Chemical lasers, Titanium, Plasma, Metals, Nickel, Data modeling

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Proceedings Article | 2 January 1998 Paper

Intermixed quantum well photodetectors for long-wavelength detection

Deepak Sengupta, A. Curtis, Jay Malin, Haochung Kuo, K. Hseih, Milton Feng, Gregory Stillman, A. Kar, Jyotirmoy Mazumder, Hui Liu, Wen Wang

Proceedings Volume 3211, (1998) https://doi.org/10.1117/12.345368

KEYWORDS: Quantum wells, Photodetectors, Annealing, Quantum well infrared photodetectors, Sensors, Infrared sensors, Sensor performance, Absorption

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Proceedings Article | 2 September 1997 Paper

One-step microlithography

Franz-Josef Kahlen, Srikanth Sankaranarayanan, Aravinda Kar

Proceedings Volume 3225, (1997) https://doi.org/10.1117/12.284548

KEYWORDS: Optical lithography, High power lasers, Carbon monoxide, Gas lasers, Metals, Helium

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Proceedings Article | 4 April 1997 Paper

Comparative studies of metal cutting with high power lasers

J. Xie, Aravinda Kar, James Rothenflue, W. Pete Latham

Proceedings Volume 3092, (1997) https://doi.org/10.1117/12.270183

KEYWORDS: Laser cutting, YAG lasers, Chemical oxygen iodine lasers, Metals, Carbon dioxide lasers, Information operations, High power lasers, Carbon dioxide, Absorption, Laser energy

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Proceedings Article | 4 April 1997 Paper

Materials processing with chemical oxygen-iodine laser: ceramic cladding for stainless steel substrate

Aravinda Kar, James Rothenflue, W. Pete Latham

Proceedings Volume 3092, (1997) https://doi.org/10.1117/12.270172

KEYWORDS: Cladding, Chemical lasers, Ceramics, Coating, Chemical oxygen iodine lasers, Aluminum, Materials processing, Laser processing, Zirconium dioxide, Laser applications

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Proceedings Article | 17 May 1996 Paper

Infrared measurement of thermal constants in laser-irradiated scleral tissue

Jamie Rhead, Aravinda Kar, Glenn Boreman, Fabrice Manns, Mikio Sasoh, Jean-Marie Parel

Proceedings Volume 2673, (1996) https://doi.org/10.1117/12.240200

KEYWORDS: Tissues, Absorption, Temperature metrology, Infrared radiation, Pulsed laser operation, Natural surfaces, Sclera, Laser tissue interaction, Thermography, Cameras

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Proceedings Article | 29 March 1996 Paper

Chemical oxygen-iodine laser for high-speed cutting of thick stainless steel

Joseph Scott, James Rothenflue, W. Pete Latham, Aravinda Kar

Proceedings Volume 2702, (1996) https://doi.org/10.1117/12.236888

KEYWORDS: Laser cutting, Chemical oxygen iodine lasers, Chemical lasers, Metals, High power lasers, Laser development, Materials processing, Laser processing, Data modeling, Oxygen

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Showing 5 of 39 publications

Proceedings Volume Editor (1)

SPIE Conference Volume | 29 October 2014

Laser Processing and Fabrication for Solar, Displays, and Optoelectronic Devices III

Conference Committee Involvement (16)

Laser 3D Manufacturing XII

25 January 2025 | San Francisco, California, United States

Dimensional Optical Metrology and Inspection for Practical Applications XIII

24 April 2024 | National Harbor, Maryland, United States

Laser 3D Manufacturing XI

30 January 2024 | San Francisco, California, United States

Dimensional Optical Metrology and Inspection for Practical Applications XII

2 May 2023 | Orlando, Florida, United States

Laser 3D Manufacturing X

31 January 2023 | San Francisco, California, United States

Dimensional Optical Metrology and Inspection for Practical Applications XI

5 April 2022 | Orlando, Florida, United States

Dimensional Optical Metrology and Inspection for Practical Applications X

12 April 2021 | Online Only, Florida, United States

Dimensional Optical Metrology and Inspection for Practical Applications IX

27 April 2020 | Online Only, California, United States

Dimensional Optical Metrology and Inspection for Practical Applications VIII

16 April 2019 | Baltimore, MD, United States

New Concepts in Solar and Thermal Radiation Conversion and Reliability

19 August 2018 | San Diego, California, United States

Reliability of Photovoltaic Cells, Modules, Components, and Systems X

6 August 2017 | San Diego, California, United States

Reliability of Photovoltaic Cells, Modules, Components, and Systems IX

28 August 2016 | San Diego, California, United States

Reliability of Photovoltaic Cells, Modules, Components, and Systems VIII

9 August 2015 | San Diego, California, United States

Laser Processing and Fabrication for Solar, Displays, and Optoelectronic Devices III

20 August 2014 | San Diego, California, United States

Laser Material Processing for Solar Energy Devices II

28 August 2013 | San Diego, California, United States

Laser Material Processing for Solar Energy

15 August 2012 | San Diego, California, United States

Showing 5 of 16 Conference Committees

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