Dr. Youqiang Liu Profile

Dr. Youqiang Liu

at Beijing Univ of Technology

SPIE Involvement:

Author

Publications (12)

Proceedings Article | 8 November 2024 Poster + Paper

Design of zoom homogenization heating system based on fiber-coupled laser

Xv Shi, Youqiang Liu, Wei Wang, Wenbin Qin, Fan Zhao, Wenqiang Liu, Xiaopeng Zhang, Menghua Jiang, Yinhua Cao

Proceedings Volume 13233, 1323319 (2024) https://doi.org/10.1117/12.3037192

KEYWORDS: Zoom lenses, Imaging systems, Homogenization, Fiber coupled lasers, Semiconductor lasers, Zemax, Laser systems engineering

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Proceedings Article | 1 February 2024 Paper

Design and research of forced air-cooled 100W level blue light LD fiber coupling module

Mu Gong, Wenbin Qin, Youqiang Liu, Menghua Jiang, Yinhua Cao, Zhiyong Wang

Proceedings Volume 13068, 1306818 (2024) https://doi.org/10.1117/12.3016449

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Proceedings Article | 25 January 2024 Paper

The design of compact air-cooling LD-pumped Nd:YVO4 laser

Shuo Li, Enhuai Liang, Kailin Shang, Menghua Jiang, Wenbin Qin, Yinhua Cao, Youqiang Liu, Zhiyong Wang

Proceedings Volume 12972, 129720G (2024) https://doi.org/10.1117/12.3021952

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Proceedings Article | 1 November 2023 Paper

Design and simulation of high brightness green LD fiber coupling module

Hongli Wu, Wenbin Qin, Yinhua Cao, Menghua Jiang, Youqiang Liu

Proceedings Volume 12917, 1291716 (2023) https://doi.org/10.1117/12.3011139

KEYWORDS: Reflection, Prisms, Fiber couplers, Collimation, Beam divergence, Flat glass, Semiconductor lasers, Light sources, Design and modelling, Ray tracing

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Proceedings Article | 1 November 2023 Paper

Small air-cooled, heat-dissipating VCSEL end-pumped disc laser design

Yang Liu, Yinhua Cao, Menghua Jiang, Youqiang Liu, Wenbin Qin

Proceedings Volume 12917, 129170Y (2023) https://doi.org/10.1117/12.3010808

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Proceedings Article | 1 November 2023 Paper

Design of LD end-pumped 1319nm vortex hollow laser

Shanshan Cao, Menghua Jiang, Sen Yue, Wenbin Qin, Yinhua Cao, Youqiang Liu

Proceedings Volume 12917, 129171A (2023) https://doi.org/10.1117/12.3010793

KEYWORDS: Crystals, Design and modelling, Neodymium, Laser crystals, Collimation, Heatsinks, Beam divergence, Temperature distribution, Optical simulations

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Proceedings Article | 1 November 2023 Paper

Hydrophilic study after nanosecond pulsed laser cleaning of DC04 steel surface

Yanyu Tian, Wenbin Qing, Yinhua Cao, Menghua Jiang, Youqiang Liu

Proceedings Volume 12917, 1291718 (2023) https://doi.org/10.1117/12.3010786

KEYWORDS: Laser ablation, Laser microstructuring, Laser scanners, Pulsed laser operation, Optical simulations, 3D modeling, Liquids, Solids, Laser energy, Metals

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Proceedings Article | 21 March 2023 Paper

VCSEL end-pumped 1319nm Nd:YAG Q-switched laser

Yanghua Liu, Zhuang Jin, Shanshan Cao, Menghua Jiang, Youqiang Liu, Wenbin Qin, Yinhua Cao, Zhiyong Wang

Proceedings Volume 12595, 1259513 (2023) https://doi.org/10.1117/12.2667918

KEYWORDS: Vertical cavity surface emitting lasers, Nd:YAG lasers, Crystals, Laser crystals, Microlens array, Q switched lasers, Collimation, Pulsed laser operation, Q switches

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Proceedings Article | 21 March 2023 Paper

Correction of smile effect in external cavity spectral beam combining system without output coupler for diode laser array

Zhuang Jin, Kailin Shang, Yanghua Liu, Menghua Jiang, Youqiang Liu, Wenbin Qin, Yinhua Cao, Zhiyong Wang

Proceedings Volume 12595, 125950H (2023) https://doi.org/10.1117/12.2667021

KEYWORDS: Semiconductor lasers, Mirrors, Telescopes, Output couplers, Optical simulations, Collimators, Beam shaping, Technology, Diffraction gratings, Manufacturing

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SPIE Journal Paper | 20 December 2022

Design of high-brightness, fiber-coupled, beam shaping system based on a multichip 2D green laser diode array

Ziming Liu, Wenbin Qin, Qingxuan Li, Youqiang Liu, Menghua Jiang, Yinhua Cao, Zhiyong Wang

OE, Vol. 61, Issue 12, 126104, (December 2022) https://doi.org/10.1117/12.10.1117/1.OE.61.12.126104

KEYWORDS: Beam shaping, Optical fibers, Prisms, Design and modelling, Collimation, Light sources, Semiconductor lasers, Ray tracing, Optical engineering, Beam divergence

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Proceedings Article | 16 December 2022 Paper

Design of integrated semiconductor disc laser

Xinmiao Wei, Yinhua Cao, Sitong Li, Wenbin Qin, Youqiang Liu, Zhiyong Wang

Proceedings Volume 12501, 1250111 (2022) https://doi.org/10.1117/12.2656468

KEYWORDS: Crystals, Vertical cavity surface emitting lasers, Cooling systems, Semiconductor lasers, Laser crystals, Optical design, Collimation, Mirrors, Laser development, Semiconductors

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Proceedings Article | 16 December 2022 Paper

Design of multi-stage cooling system for high power laser diode

Sitong Li, Yinhua Cao, Xinmiao Wei, Wenbin Qin, Youqiang Liu, Zhiyong Wang

Proceedings Volume 12501, 125010V (2022) https://doi.org/10.1117/12.2656326

KEYWORDS: Semiconductor lasers, Cooling systems, Optical simulations, High power lasers, Fluctuations and noise, Diodes, Thermal modeling, Heatsinks, Resistance, Reliability

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Showing 5 of 12 publications

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