Dr. Chun He Profile

Dr. Chun He

Fellow, Chief Scientist at Focuslight Technologies, Inc

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Publications (9)

Proceedings Article | 12 March 2024 Presentation + Paper

Novel fiber optic components for high efficiency fiber amplifiers

Chun He, Lei Gao, Yong Li, Kai Zhou, Xingsheng Liu

Proceedings Volume 12866, 1286607 (2024) https://doi.org/10.1117/12.3003323

KEYWORDS: Fiber amplifiers, Fiber lasers, Retroreflectors, Semiconductor lasers, Mirrors, Reflection, Fiber optics, Fiber optic components, Ions, Continuous wave operation

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Proceedings Article | 12 March 2024 Presentation + Paper

High performance 1.55um fiber laser for autonomous driving lidars

Chun He, Xizhi Liu, Xiaolei Yu, Huankun Zhang, Fugen Liang, Yong Li, Lei Gao

Proceedings Volume 12865, 128650V (2024) https://doi.org/10.1117/12.3000589

KEYWORDS: Fiber lasers, Power consumption, Autonomous driving, Pulsed laser operation, LIDAR, Fiber amplifiers, Amplifiers, Reliability, Temperature metrology, Modulation

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Proceedings Article | 4 March 2022 Presentation + Paper

High power conductively cooled laser diode array operating under hard pulse condition

ChangXuan Li, Yingmin Fan, Wenwei Li, Ke Yuan, Tuanwei Fu, Jindou Liu, Chung-en Zah, Chun He

Proceedings Volume 11982, 1198203 (2022) https://doi.org/10.1117/12.2609183

KEYWORDS: Heatsinks, Continuous wave operation, Packaging, Optical simulations, Semiconductor lasers, High power lasers, Laser bonding

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Proceedings Article | 4 March 2022 Presentation + Paper

Beam size adjustable high uniformity line beam diode laser system

Dacheng Hua, Hongtao Chong, Lei Cai, Li Chen, Guopeng Chen, Min Wang, Jindou Liu, Weiyi Gu, Kai Zhou, Lei Gao, Chungen Zah, Chun He

Proceedings Volume 11982, 119820F (2022) https://doi.org/10.1117/12.2608536

KEYWORDS: Waveguides, Semiconductor lasers, Laser systems engineering, Semiconducting wafers, Annealing, Homogenization, Near field optics, Optical simulations

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Proceedings Article | 3 March 2006 Paper

Experiment and modeling of tilted mirror MEMS variable optical attenuator

Chun He

Proceedings Volume 6124, 61240H (2006) https://doi.org/10.1117/12.674117

KEYWORDS: Mirrors, Signal attenuation, Microelectromechanical systems, Collimators, Computer simulations, Variable optical attenuators, Performance modeling, Optical simulations, Gaussian beams

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Proceedings Article | 25 March 2005 Paper

Nonlinearity measurements of PIN photodiode based ROSA for FTTX applications

Xinzhong Wang, Chun He, Yao Li, Andy Zhou, Wei-Shin Tsay

Proceedings Volume 5729, (2005) https://doi.org/10.1117/12.605362

KEYWORDS: Signal analyzers, Distortion, Sensors, Modulation, Signal detection, Fiber to the x, PIN photodiodes, Video, Electronic filtering, Interference (communication)

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Proceedings Article | 14 June 2004 Paper

Techniques for reconfigurable optical add/drop multiplexer

Chun He, Xinzhong Wang, Yao Li, Wei-Shin Tsay

Proceedings Volume 5356, (2004) https://doi.org/10.1117/12.527576

KEYWORDS: Microelectromechanical systems, Tunable filters, Mirrors, Wavelength division multiplexing, Diffraction gratings, Multiplexers, Fiber Bragg gratings, Switches, Signal attenuation, Collimators

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Proceedings Article | 7 May 2004 Paper

Functionally integrated reconfigurable optical add/drop module

Yao Li, Chun He, Daoyi Wang, Xinzhong Wang, Frank Wu, Wei-Shin Tsay

Proceedings Volume 5281, (2004) https://doi.org/10.1117/12.520573

KEYWORDS: Microelectromechanical systems, Multiplexers, Switches, Tunable filters, Diffraction gratings, Mirrors, Signal attenuation, Multiplexing, Integration, Integrated optics

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Proceedings Article | 15 May 1998 Paper

High-intensity-laser post-ionization mass spectrometry for uniform and ultrasensitive surface analysis

Chun He, Christopher Becker

Proceedings Volume 3270, (1998) https://doi.org/10.1117/12.308381

KEYWORDS: Ionization, Ions, Argon, Chemical analysis, Gases, Chemical species, Nickel, Spectroscopy, Iron, High power lasers

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Showing 5 of 9 publications

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