Dr. Robert Van Leeuwen Profile

Dr. Robert Van Leeuwen

Senior Principal Engineer at Princeton Optronics Inc

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Author

Publications (19)

Proceedings Article | 5 March 2021 Presentation

Multi-junction vertical-cavity surface-emitting lasers in the 800-1100nm wavelength range

Jean-Francois Seurin, Guoyang Xu, Alexander Miglo, Robert Van Leeuwen, Hasan Othman, Serdal Okur, Yu Zhang, Abdenour Amtout, Haijiao Bian, Hairong Yuan, Edward Shaw

Proceedings Volume 11704, 117040B (2021) https://doi.org/10.1117/12.2578767

KEYWORDS: Vertical cavity surface emitting lasers, Resistance, Reflectivity, Near infrared, Mirrors, LIDAR, Absorption

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Proceedings Article | 1 March 2019 Presentation + Paper

High-power VCSEL arrays with customized beam divergence for 3D-sensing applications

Serdal Okur, Maik Scheller, Jean-Francois Seurin, Alexander Miglo, Guoyang Xu, Dingkai Guo, Robert Van Leeuwen, Baiming Guo, Hasan Othman, Laury Watkins, Chuni Ghosh

Proceedings Volume 10938, 109380F (2019) https://doi.org/10.1117/12.2508485

KEYWORDS: Vertical cavity surface emitting lasers, Oxides, Oxidation, Calibration, High power lasers, Beam shaping, Three dimensional sensing, Refractive index, Semiconducting wafers, Facial recognition systems

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Proceedings Article | 25 February 2017 Presentation + Paper

Progress on high-power 808nm VCSELs and applications

Delai Zhou, Jean-Francois Seurin, Guoyang Xu, Robert Van Leeuwen, Alexander Miglo, Qing Wang, Alexey Kovsh, Chuni Ghosh

Proceedings Volume 10122, 1012206 (2017) https://doi.org/10.1117/12.2253228

KEYWORDS: Vertical cavity surface emitting lasers, High power lasers, Nd:YAG lasers, Solid state lasers, Solid state electronics, Semiconductor lasers, Optics manufacturing, Crystals, Laser crystals, Defense and security, Q switched lasers, Reliability, Semiconducting wafers, Absorption, Diode pumped solid state lasers

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Proceedings Article | 17 February 2017 Presentation + Paper

Passively Q-switched VCSEL-pumped Nd:YAG laser with 47 mJ pulse energy

Robert Van Leeuwen, Bing Xu, Qing Wang, Guoyang Xu, Delai Zhou, Alexey Kovsh, Jean-Francois Seurin, Chuni Ghosh

Proceedings Volume 10082, 100820L (2017) https://doi.org/10.1117/12.2252311

KEYWORDS: Vertical cavity surface emitting lasers, Nd:YAG lasers, Q switched lasers, Diode pumped solid state lasers, Semiconductor lasers, Pulsed laser operation, Laser applications, Laser energy, Energy efficiency, Q switching, High power lasers, Laser packaging, Heatsinks

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Proceedings Article | 16 March 2016 Paper

VCSEL-pumped passively Q-switched monolithic solid-state lasers

Robert Van Leeuwen, Bing Xu, Tong Chen, Qing Wang, Jean-Francois Seurin, Guoyang Xu, Delai Zhou, Chuni Ghosh

Proceedings Volume 9726, 97260U (2016) https://doi.org/10.1117/12.2213322

KEYWORDS: Vertical cavity surface emitting lasers, Diode pumped solid state lasers, Semiconductor lasers, Q switched lasers, Nd:YAG lasers, Pulsed laser operation, Laser applications, Laser range finders, Laser spectroscopy, Laser energy, Heatsinks, Q switching, Solid state lasers, Q switches, Energy efficiency

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Proceedings Article | 4 March 2015 Paper

Progress on high-power high-brightness VCSELs and applications

Delai Zhou, Jean-Francois Seurin, Guoyang Xu, Pu Zhao, Bing Xu, Tong Chen, Robert Van Leeuwen, Joseph Matheussen, Qing Wang, Chuni Ghosh

Proceedings Volume 9381, 93810B (2015) https://doi.org/10.1117/12.2080145

KEYWORDS: Vertical cavity surface emitting lasers, High power lasers, Nd:YAG lasers, Reflectivity, Q switched lasers, Solid state lasers, Q switching, Semiconductor lasers, Crystals

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Proceedings Article | 4 March 2015 Paper

21.2% wall-plug efficiency green laser based on an electrically pumped VECSEL through intracavity second harmonic generation

Pu Zhao, Bing Xu, Robert Van Leeuwen, Tong Chen, Laurence Watkins, Delai Zhou, Jean-Francois Seurin, Peng Gao, Guoyang Xu, Qing Wang, Chuni Ghosh

Proceedings Volume 9349, 93490M (2015) https://doi.org/10.1117/12.2079819

KEYWORDS: Harmonic generation, Second-harmonic generation, Crystals, Reflectivity, Continuous wave operation, Thermoelectric materials, Nonlinear crystals, Laser crystals, Laser resonators

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Proceedings Article | 20 February 2015 Paper

1W frequency-doubled VCSEL-pumped blue laser with high pulse energy

Robert Van Leeuwen, Tong Chen, Laurence Watkins, Guoyang Xu, Jean-Francois Seurin, Qing Wang, Delai Zhou, Chuni Ghosh

Proceedings Volume 9342, 93420N (2015) https://doi.org/10.1117/12.2077197

KEYWORDS: Vertical cavity surface emitting lasers, Nd:YAG lasers, Pulsed laser operation, Q switched lasers, Energy efficiency, Laser resonators, Crystals, Second-harmonic generation, Laser crystals, High power lasers

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Proceedings Article | 6 March 2013 Paper

High power high repetition rate VCSEL array side-pumped pulsed blue laser

Robert van Leeuwen, Pu Zhao, Tong Chen, Bing Xu, Laurence Watkins, Jean-Francois Seurin, Guoyang Xu, Alexander Miglo, Qing Wang, Chuni Ghosh

Proceedings Volume 8599, 85991I (2013) https://doi.org/10.1117/12.2002602

KEYWORDS: Vertical cavity surface emitting lasers, Pulsed laser operation, Nd:YAG lasers, High power lasers, Optical pumping, Q switched lasers, Crystals, Laser energy, Laser applications, Laser crystals

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Proceedings Article | 22 February 2013 Paper

0.9-W compact UV pulsed lasers using high-power VCSEL array side-pumping

Tong Chen, Bing Xu, Robert Van Leeuwen, Pu Zhao, Jean-Francois Seurin, Guoyang Xu, Alexander Miglo, Qing Wang, Chuni Ghosh

Proceedings Volume 8599, 85991J (2013) https://doi.org/10.1117/12.2002643

KEYWORDS: Vertical cavity surface emitting lasers, Ultraviolet radiation, Nd:YAG lasers, Crystals, Pulsed laser operation, Q switched lasers, Optical pumping, High power lasers, Laser crystals, Solid state lasers

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Proceedings Article | 7 May 2012 Paper

High-power vertical-cavity surface-emitting lasers for diode pumped solid-state lasers

Robert Van Leeuwen, Yihan Xiong, Jean-Francois Seurin, Guoyang Xu, Alexander Miglo, Qing Wang, Bing Xu, Wei-Xiong Zou, Daizong Li, James Wynn, Viktor Khalfin, Chuni Ghosh

Proceedings Volume 8381, 83810I (2012) https://doi.org/10.1117/12.920601

KEYWORDS: Vertical cavity surface emitting lasers, Nd:YAG lasers, Q switched lasers, Ultraviolet radiation, High power lasers, Crystals, Solid state lasers, Diode pumped solid state lasers, Solids, Pulsed laser operation

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Proceedings Article | 15 February 2012 Paper

High power VCSEL array pumped Q-switched Nd:YAG lasers

Yihan Xiong, Robert Van Leeuwen, Laurence Watkins, Jean-Francois Seurin, Guoyang Xu, Alexander Miglo, Qing Wang, Chuni Ghosh

Proceedings Volume 8235, 82350M (2012) https://doi.org/10.1117/12.908414

KEYWORDS: Vertical cavity surface emitting lasers, Nd:YAG lasers, Q switched lasers, Optical pumping, Q switching, High power lasers, Crystals, Pulsed laser operation, Solids

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Proceedings Article | 7 February 2012 Paper

High-power vertical-cavity surface-emitting lasers for solid-state laser pumping

Jean-Francois Seurin, Guoyang Xu, Alexander Miglo, Qing Wang, Robert Van Leeuwen, Yihan Xiong, Wei-Xiong Zou, Daizong Li, James Wynn, Viktor Khalfin, Chuni Ghosh

Proceedings Volume 8276, 827609 (2012) https://doi.org/10.1117/12.906864

KEYWORDS: Vertical cavity surface emitting lasers, Nd:YAG lasers, Solid state lasers, Optical pumping, High power lasers, Absorption, Semiconductor lasers, Gallium arsenide, Photography

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Proceedings Article | 16 February 2011 Paper

High power 808 nm VCSEL arrays for pumping of compact pulsed high energy Nd:YAG lasers operating at 946 nm and 1064 nm for blue and UV light generation

Robert Van Leeuwen, Yihan Xiong, Laurence Watkins, Jean-Francois Seurin, Guoyang Xu, Qing Wang, Chuni Ghosh

Proceedings Volume 7912, 79120Z (2011) https://doi.org/10.1117/12.873952

KEYWORDS: Vertical cavity surface emitting lasers, Nd:YAG lasers, Ultraviolet radiation, Q switched lasers, Crystals, Q switching, Absorption, High power lasers, Phase modulation, Lasers

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Proceedings Article | 8 February 2011 Paper

Efficient vertical-cavity surface-emitting lasers for infrared illumination applications

Jean-Francois Seurin, Guoyang Xu, Baiming Guo, Alexander Miglo, Qing Wang, Prachi Pradhan, James Wynn, Viktor Khalfin, Wei-Xiong Zou, Chuni Ghosh, Robert Van Leeuwen

Proceedings Volume 7952, 79520G (2011) https://doi.org/10.1117/12.873933

KEYWORDS: Vertical cavity surface emitting lasers, Fiber optic illuminators, Infrared radiation, Infrared imaging, Light emitting diodes, Thermography, Cameras, Gallium arsenide, Surveillance

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Proceedings Article | 6 February 2010 Paper

High-brightness pump sources using 2D VCSEL arrays

Jean-Francois Seurin, Guoyang Xu, Qing Wang, Baiming Guo, Robert Van Leeuwen, Alexander Miglo, Prachi Pradhan, James Wynn, Viktor Khalfin, Chuni Ghosh

Proceedings Volume 7615, 76150F (2010) https://doi.org/10.1117/12.842492

KEYWORDS: Vertical cavity surface emitting lasers, Mirrors, Laser applications, Polarization, Diode pumped solid state lasers, Lasers, Semiconductor lasers, Fiber lasers, Solid state lasers, Nd:YAG lasers

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Proceedings Article | 6 February 2010 Paper

High-power low-noise VCSEL seed laser for fiber laser applications

Baiming Guo, Qing Wang, Bing Xu, Robert van Leeuwen, Jean Francois Seurin, Guoyang Xu, Chuni Ghosh

Proceedings Volume 7615, 76150H (2010) https://doi.org/10.1117/12.842596

KEYWORDS: Fiber lasers, Vertical cavity surface emitting lasers, Pulsed laser operation, Continuous wave operation, Semiconductor lasers, Laser applications, High power lasers, Phase modulation, Fabry–Perot interferometers, Mirrors

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Proceedings Article | 28 February 2009 Paper

High-power pulsed intra-cavity frequency doubled vertical extended cavity blue laser arrays

Robert Van Leeuwen, Jean-Francois Seurin, Guoyang Xu, Chuni Ghosh

Proceedings Volume 7193, 71931D (2009) https://doi.org/10.1117/12.816035

KEYWORDS: Pulsed laser operation, Crystals, Continuous wave operation, Vertical cavity surface emitting lasers, Mirrors, High power lasers, Second-harmonic generation, Reflectivity, Output couplers

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Proceedings Article | 24 March 2008 Paper

Low noise high power ultra-stable diode pumped Er-Yb phosphate glass laser

R. van Leeuwen, B. Xu, L. Watkins, Q. Wang, C. Ghosh

Proceedings Volume 6975, 69750K (2008) https://doi.org/10.1117/12.782202

KEYWORDS: Glasses, Semiconductor lasers, Ions, Laser resonators, Laser glasses, Erbium, Laser development, Diodes, Optoelectronics, Absorption

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Showing 5 of 19 publications

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