Mr. He Cai Profile

He Cai

at Southwest Institute of Technical Physics

SPIE Involvement:

Author

Publications (40)

Proceedings Article | 22 December 2023 Paper

Investigation of a flowing-gas Cs laser with a disc-type vapor cell

Guofei An, Jiao Yang, He Cai, Xiaoxu Liu, Jiawei Guo, Qing Luo, You Wang

Proceedings Volume 12974, 129740Q (2023) https://doi.org/10.1117/12.3015492

KEYWORDS: Cesium, Semiconductor lasers, Pipes, Gases, Beam path, Temperature control, Rubidium, Laser systems engineering

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Proceedings Article | 22 December 2023 Paper

A co-simulation method for flowing diode pumped alkali lasers

Jiao Yang, Guofei An, Jiawei Guo, Qing Luo, He Cai, Juhong Han, Xiaoxu Liu, Dongdong Wang, You Wang

Proceedings Volume 12974, 129740L (2023) https://doi.org/10.1117/12.3015421

KEYWORDS: Temperature distribution, Semiconductor lasers, Finite element methods, Potassium, Gases, Thermal effects, Rubidium, Alkali vapor lasers, CFD analysis

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Proceedings Article | 10 May 2023 Paper

Study on the speed threshold of PCB cutting using three kinds of Q-switched lasers

Meng Zhang, Xi Yang, Yun Huang, Hao Xing, Ruina Fang, Weijiang Wang, He Cai, Guofei An, Xiaoxu Liu, Juhong Han, Chenxu Wang, You Wang

Proceedings Volume 12554, 125540U (2023) https://doi.org/10.1117/12.2651630

KEYWORDS: Laser cutting, Laser damage threshold, Nd:YAG lasers, Laser processing, Second-harmonic generation, Laser energy, Laser applications, Q switched lasers, Pulsed laser operation, Laser irradiation

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Proceedings Article | 28 December 2022 Poster + Paper

Experimental study of a new kind of gas-flowing diode pumped cesium laser

Guofei An, Jiao Yang, Jiawei Guo, He Cai, Kepeng Rong, You Wang

Proceedings Volume 12310, 1231016 (2022) https://doi.org/10.1117/12.2656501

KEYWORDS: Fluctuations and noise, Cesium, Temperature metrology, Semiconductor lasers, Reflectivity, Output couplers, Laser systems engineering, Windows, Gases, Resonators

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Proceedings Article | 22 December 2022 Paper

Investigation of a new kind of gas-flowing diode pumped cesium laser

Guofei An, Jiao Yang, Jiawei Guo, He Cai, Qing Luo, You Wang

Proceedings Volume 12459, 124591B (2022) https://doi.org/10.1117/12.2656451

KEYWORDS: Fluctuations and noise, Cesium, Semiconductor lasers, Gases, Diodes, Output couplers, Laser systems engineering, High power lasers, Alkali vapor lasers

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Proceedings Article | 21 December 2022 Poster + Paper

An approach for the measurement of focal lengths of a weak thermally-induced negative lens

Ruina Fang, Weijiang Wang, Jiao Yang, Zhendong Shi, Hao Xing, Yun Huang, Juhong Han, Qing Luo, He Cai, Guofei An, Meng Zhang, Xi Yang, You Wang

Proceedings Volume 12315, 123151G (2022) https://doi.org/10.1117/12.2642724

KEYWORDS: Laser beam diagnostics, Fourier transforms, Crystals, Laser crystals, Thermal effects, Optical testing, Helium neon lasers, Laser beam propagation, Gaussian beams, Wave propagation

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Proceedings Article | 15 December 2022 Paper

Experimental study on realizing blind micro-grooves on the surface of an aluminum sheet using two nanosecond lasers

Weijiang Wang, Hao Xing, Yun Huang, Ruina Fang, Xi Yang, Meng Zhang, Guofei An, He Cai, Juhong Han, Xiaoxu Liu, Qing Luo, Jiao Yang, You Wang

Proceedings Volume 12478, 124782Z (2022) https://doi.org/10.1117/12.2654790

KEYWORDS: Aluminum, Laser processing, Pulsed laser operation, Laser ablation, Laser crystals, Laser applications, Crystals, Q switched lasers, Laser engraving, Laser drilling

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Proceedings Article | 30 December 2021 Paper

A 3.9 µm Ho3+:BYF laser pumped by a three-mirror cavity Cr:LiSAF laser with high optical-to-optical efficiency

Chaoqun Ma, Ying Zhang, He Cai, Juhong Han, Kepeng Rong, Guofei An, Jiawei Guo, Xiaoxu Liu, Haoyu Li, Jiao Yang, Qing Luo, You Wang

Proceedings Volume 12061, 1206123 (2021) https://doi.org/10.1117/12.2606681

KEYWORDS: Crystals, Mid-IR, Laser optics, Laser crystals, Output couplers, Holmium, Quantum cascade lasers, Mirrors, Energy efficiency, Tunable lasers

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Proceedings Article | 24 November 2021 Paper

Evaluation of laser-induced plasma distribution using a Hilbert's algorithm

Haoyu Li, Feng Yang, He Cai, Jiawei Guo, Qiang Zhou, Jiao Yang, Hongyuan Wang, Guofei An, Ying Zhang, Chaoqun Ma, Qing Luo, You Wang

Proceedings Volume 12060, 120601M (2021) https://doi.org/10.1117/12.2606922

KEYWORDS: Plasma, Laser processing, Refractive index, Interferometry, Electrons, Mach-Zehnder interferometers, Laser energy, Laser beam diagnostics, Pulsed laser operation, High power lasers

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Proceedings Article | 9 October 2021 Paper

Study on a gas flowing diode pumped cesium laser

Jiao Yang, Guofei An, Jiawei Guo, Qing Luo, He Cai, Hongyuan Wang, Feng Yang, You Wang

Proceedings Volume 11890, 118900N (2021) https://doi.org/10.1117/12.2602725

KEYWORDS: Alkali vapor lasers, Optical flow, Finite element methods, CFD analysis, Diodes, Cesium, Optical simulations, Gases, Laser missile defense, Thermal effects

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Proceedings Article | 6 June 2021 Paper

Theoretical study on the amplified spontaneous emission in an end-pumped cesium vapor laser

Guofei An, Jiao Yang, Jiaowei Guo, Juhong Han, He Cai, Xiaoxu Liu, Kepeng Rong, Qinqin Li, You Wang

Proceedings Volume 11849, 118490U (2021) https://doi.org/10.1117/12.2598922

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Proceedings Article | 4 December 2020 Paper

Possibility of processing a glass plate by heating the material with an ultraviolet laser

Chaoqun Ma, Ying Zhang, Xiaoxu Liu, Qing Luo, Jiao Yang, Haoyu Li, Lijuan Tan, Juhong Han, He Cai, Guofei An, Kepeng Rong, You Wang

Proceedings Volume 11617, 116171S (2020) https://doi.org/10.1117/12.2585226

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Proceedings Article | 12 March 2020 Paper

Evaluation of thermally-induced lens of a pentagonal-side-pumped solid-state laser rod

Jiawei Guo, Feng Yang, Xiaoxu Liu, Juhong Han, Kepeng Rong, Guofei An, He Cai, Hongyuan Wang, You Wang

Proceedings Volume 11437, 114370E (2020) https://doi.org/10.1117/12.2543845

KEYWORDS: Nd:YAG lasers, Absorption, Refractive index, Rod lasers, Solid state lasers, Ray tracing, Finite element methods, Laser beam diagnostics, Reflectors

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Proceedings Article | 12 March 2020 Paper

Evaluation of outputted and leaked power for a micro-cavity laser in the terahertz region

Haoyu Li, Kepeng Rong, Qing Luo, Jiao Yang, Lijuan Tan, He Cai, Xiaoxu Liu, Goufei An, Haizhi Song, You Wang

Proceedings Volume 11441, 114410A (2020) https://doi.org/10.1117/12.2543454

KEYWORDS: Terahertz radiation, Laser resonators, Optical simulations, Electromagnetic radiation, Laser applications, Medicine, Ultraviolet radiation, Visible radiation, Finite-difference time-domain method, Silver

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Proceedings Article | 29 March 2019 Paper

Study on cross-sections between the fine-structure levels of atomic rubidium

Wei Zhang, Shunyan Wang, Guofei An, Juhong Han, Qiang Yu, He Cai, Xiaoxu Liu, Hongyuan Wang, You Wang

Proceedings Volume 11046, 110462C (2019) https://doi.org/10.1117/12.2524500

KEYWORDS: Rubidium, Luminescence, Gases, Atomic, molecular, and optical physics, Physics

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Proceedings Article | 7 November 2018 Paper

Modulated rubidium-cesium laser system with dual wavelengths

Qiang Yu, Shunyan Wang, Niyaziaili Nulahemaiti, Wei Zhang, Juhong Han, Guofei An, Kang Dai, He Cai, Abai Alghazi, You Wang

Proceedings Volume 10819, 1081904 (2018) https://doi.org/10.1117/12.2502280

KEYWORDS: Modulation, Rubidium, Cesium, Laser systems engineering, Laser applications, Alkali vapor lasers, Semiconductor lasers, Continuous wave operation, Alkali metals, Oscillators

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Proceedings Article | 5 March 2018 Paper

Theoretical study on the thermal and optical features of a diode side-pumped alkali laser

Juhong Han, Xiaoxu Liu, Hongyuan Wang, He Cai, Guofei An, Wei Zhang, You Wang

Proceedings Volume 10710, 107104C (2018) https://doi.org/10.1117/12.2317687

KEYWORDS: Semiconductor lasers, Laser systems engineering, Thermography, Diodes, Absorption, High power lasers, Laser applications, Cesium, Physics, Analytical research

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Proceedings Article | 5 March 2018 Paper

Modeling of a diode-pumped thin-disk cesium vapor laser

Guofei An, He Cai, Xiaoxu Liu, Juhong Han, Wei Zhang, Hongyuan Wang, You Wang

Proceedings Volume 10710, 107104E (2018) https://doi.org/10.1117/12.2317690

KEYWORDS: Cesium, Semiconductor lasers, Laser systems engineering, Resonators, High power lasers, Mathematical modeling, Laser applications, Diodes, Gases, Rubidium

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Proceedings Article | 12 January 2018 Paper

Theoretical analyses of a 1.617-um laser with a MOPA configuration

He Cai, Juhong Han, You Wang, Kepeng Rong, Hang Yu, Shunyan Wang, Guofei An, Wei Zhang, Peng Wu, Qiang Yu, Hongyuan Wang

Proceedings Volume 10619, 1061904 (2018) https://doi.org/10.1117/12.2295546

KEYWORDS: Er:YAG lasers, Crystals, Laser crystals, Doping, Upconversion, Absorption, Laser systems engineering, Laser applications, Optical pumping, Differential equations

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Proceedings Article | 12 January 2018 Paper

Theoretical evaluation of a continues-wave Ho3+:BaY2F8 laser with mid-infrared emission

Kepeng Rong, He Cai, Guofei An, Juhong Han, Hang Yu, Shunyan Wang, Qiang Yu, Peng Wu, Wei Zhang, Hongyuan Wang, You Wang

Proceedings Volume 10619, 1061905 (2018) https://doi.org/10.1117/12.2295579

KEYWORDS: Holmium, Crystals, Reflectivity, Mid-IR, Doping, Continuous wave operation, Solid state lasers, Energy transfer

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Proceedings Article | 12 January 2018 Paper

Analyses of absorption distribution of a rubidium cell side-pumped by a Laser-Diode-Array (LDA)

Hang Yu, Juhong Han, Kepeng Rong, Shunyan Wang, He Cai, Guofei An, Wei Zhang, Qiang Yu, Peng Wu, Hongyuan Wang, You Wang

Proceedings Volume 10619, 106190W (2018) https://doi.org/10.1117/12.2295582

KEYWORDS: Absorption, Rubidium, High power lasers

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Proceedings Article | 24 October 2017 Paper

Theoretical study on the absorption features of a diode side-pumped alkali laser

Hang Yu, You Wang, Kepeng Rong, He Cai, Juhong Han, Shunyan Wang, Guofei An, Wei Zhang, Hongyuan Wang

Proceedings Volume 10457, 1045721 (2017) https://doi.org/10.1117/12.2284685

KEYWORDS: Absorption, Gas lasers, Ray tracing, Alkali vapor lasers

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Proceedings Article | 24 October 2017 Paper

Dependence of output features of a micro-cavity laser on the cavity structure

Kepeng Rong, Haizhi Song, You Wang, Hang Yu, Shunyan Wang, Guofei An, He Cai, Juhong Han, Wei Zhang, Hongyuan Wang

Proceedings Volume 10457, 1045729 (2017) https://doi.org/10.1117/12.2284790

KEYWORDS: Finite-difference time-domain method

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Proceedings Article | 12 May 2017 Paper

Analyses of mode filling factor of a laser end-pumped by a LD with high-order transverse modes

Juhong Han, You Wang, Guofei An, Kepeng Rong, Hang Yu, Shunyan Wang, Wei Zhang, He Cai, Liangping Xue, Hongyuan Wang, Jie Zhou

Proceedings Volume 10173, 101731I (2017) https://doi.org/10.1117/12.2268121

KEYWORDS: Transmission electron microscopy, Solid state lasers, Laser systems engineering, Diode pumped solid state lasers, Modes of laser operation, Analytical research, Laser optics, Physics, Laser therapeutics, Algorithms

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Proceedings Article | 12 May 2017 Paper

Study on energy transfer induced by collisions between rubidium and cesium

Shunyan Wang, You Wang, He Cai, Juhong Han, Guofei An, Wei Zhang, Kepeng Rong, Hang Yu, Liangping Xue, Hongyuan Wang, Jie Zhou

Proceedings Volume 10173, 101731O (2017) https://doi.org/10.1117/12.2268251

KEYWORDS: Rubidium, Cesium, Chemical species, Energy transfer, Potassium, MATLAB, Quantum efficiency, Temperature metrology, Molecules, Sodium

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Proceedings Article | 12 May 2017 Paper

Diode-pumped alkali lasers with a gradient temperature configuration

He Cai, You Wang, Juhong Han, Hang Yu, Kepeng Rong, Shunyan Wang, Guofei An, Hongyuan Wang, Wei Zhang, Liangping Xue, Jie Zhou

Proceedings Volume 10173, 101731H (2017) https://doi.org/10.1117/12.2268120

KEYWORDS: Semiconductor lasers, Alkali vapor lasers, Absorption, Chemical reactions, Rubidium, High power lasers, Optical simulations, Gases, Output couplers, Physics

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Proceedings Article | 12 May 2017 Paper

Analyses of mode filling factor of a laser end-pumped by a LD with high-order transverse modes

Juhong Han, You Wang, Guofei An, Kepeng Rong, Hang Yu, Shunyan Wang, Wei Zhang, He Cai, Liangping Xue, Hongyuan Wang, Jie Zhou

Proceedings Volume 10173, 101731I (2017) https://doi.org/10.1117/12.2268121

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Proceedings Article | 19 October 2016 Paper

Evaluation of population densities of a rubidium laser pumped with a narrow-linewidth Ti:Sapphire laser

Shunyan Wang, You Wang, Juhong Han, Wei Zhang, He Cai, Guofei An, Ming Gao, Zhigang Jiang, Liangping Xue, Hongyuan Wang, Jie Zhou

Proceedings Volume 10152, 101521A (2016) https://doi.org/10.1117/12.2247417

KEYWORDS: Rubidium, Sapphire lasers

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Proceedings Article | 19 October 2016 Paper

Phase distortion of a probe beam transmitting through a transparent medium bulk

Ming Gao, You Wang, He Cai, Wei Zhang, Zhigang Jiang, Hongyuan Wang, Shunyan Wang, Guofei An, Juhong Han, Liangping Xue, Jie Zhou

Proceedings Volume 10155, 101553B (2016) https://doi.org/10.1117/12.2247368

KEYWORDS: Distortion, Laser beam diagnostics, Thermal effects

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Proceedings Article | 19 October 2016 Paper

Influence of deviation in central wavelengths of both a seed laser and a pump LD on the output features of a DPAL-MOPA system

Zhigang Jiang, You Wang, He Cai, Juhong Han, Ming Gao, Guofei An, Shunyan Wang, Wei Zhang, Liangping Xue, Jie Zhou, Hongyuan Wang

Proceedings Volume 10152, 1015218 (2016) https://doi.org/10.1117/12.2247364

KEYWORDS: Semiconductor lasers, Oscillators

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Proceedings Article | 15 October 2015 Paper

Thermally-induced lens in an end-pumped cesium laser

Wei Zhang, You Wang, Juhong Han, Ming Gao, Zhigang Jiang, He Cai, Liangping Xue, Guofei An, Hongyuan Wang, Jie Zhou

Proceedings Volume 9671, 967117 (2015) https://doi.org/10.1117/12.2199810

KEYWORDS: Cesium, Thermal effects, Semiconductor lasers, Laser beam diagnostics, Refractive index, Quantum efficiency, Fourier transforms, Absorption, Laser optics, Rubidium

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Proceedings Article | 15 October 2015 Paper

Output features of two types of diode-pumped alkali vapor lasers in time domain

He Cai, You Wang, Zhigang Jiang, Ming Gao, Juhong Han, Guofei An, Liangping Xue, Wei Zhang, Hongyuan Wang, Jie Zhou

Proceedings Volume 9671, 967116 (2015) https://doi.org/10.1117/12.2199806

KEYWORDS: Methane, Rubidium, Cesium, Reflectivity, Output couplers, Helium, Semiconductor lasers, Alkali vapor lasers, Mathematical modeling, Chemical species

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Proceedings Article | 15 October 2015 Paper

Lasing process inside gas-state media of a diode-pumped alkali laser

Juhong Han, You Wang, Zhigang Jiang, Ming Gao, He Cai, Guofei An, Wei Zhang, Liangping Xue, Hongyuan Wang, Jie Zhou

Proceedings Volume 9671, 967115 (2015) https://doi.org/10.1117/12.2199803

KEYWORDS: Semiconductor lasers, Absorption, Mathematical modeling, Oscillators, Cesium, Laser optics, Lawrencium, Laser processing, Physics, High power lasers

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Proceedings Article | 4 May 2015 Paper

Narrowing the linewidth to a desired value with a reflecting volume-Bragg-grating (RVBG) for high-powered LDs

Liangping Xue, You Wang, He Cai, Guofei An, Wei Zhang, Jie Zhou, Hongyuan Wang, Juhong Han, Zhigang Jiang, Ming Gao

Proceedings Volume 9543, 95431K (2015) https://doi.org/10.1117/12.2183408

KEYWORDS: Diffraction, Diffraction gratings, Spatial frequencies, Refractive index, Modulation, Semiconductor lasers, Fiber Bragg gratings, Fiber lasers, Laser resonators, Physics

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Proceedings Article | 4 May 2015 Paper

Influence of excitation on physical features of a diode-pumped alkali laser

Guofei An, You Wang, Juhong Han, He Cai, Jie Zhou, Wei Zhang, Liangping Xue, Hongyuan Wang, Ming Gao, Zhigang Jiang

Proceedings Volume 9543, 95431J (2015) https://doi.org/10.1117/12.2182038

KEYWORDS: Cesium, Semiconductor lasers, Electrons, Chemical species, High power lasers, Ionization, Rubidium, Physics, Gases, Birefringence

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Proceedings Article | 4 March 2015 Paper

Reviews of a Diode-Pumped Alkali Laser (DPAL): a potential high powered light source

He Cai, You Wang, Juhong Han, Guofei An, Wei Zhang, Liangping Xue, Hongyuan Wang, Jie Zhou, Ming Gao, Zhigang Jiang

Proceedings Volume 9521, 95211U (2015) https://doi.org/10.1117/12.2183410

KEYWORDS: Chemical species, Semiconductor lasers, Cesium, Rubidium, Gases, Ionization, Potassium, Solid state lasers, Diodes, Laser development

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Proceedings Article | 3 February 2015 Paper

Mathematical simulation of heating effects in a static diode-pumped vapor rubidium cell

Wei Zhang, You Wang, Juhong Han, He Cai, Liangping Xue, Hongyuan Wang

Proceedings Volume 9255, 92551Q (2015) https://doi.org/10.1117/12.2072010

KEYWORDS: Rubidium, Absorption, Semiconductor lasers, Mathematical modeling, Quartz, Cesium, Potassium, Thermal effects, Optical simulations, Physics

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Proceedings Article | 3 February 2015 Paper

Theoretical investigation of diffraction features of a planar wave using a Reflecting Volume-Bragg-Grating (RVBG)

Liangping Xue, You Wang, Wei Zhang, He Cai, Hongyuan Wang, Juhong Han, Guofei An

Proceedings Volume 9255, 925524 (2015) https://doi.org/10.1117/12.2071670

KEYWORDS: Diffraction, Diffraction gratings, Spatial frequencies, Refractive index, Modulation, Semiconductor lasers, Spatial light modulators, Laser applications, Fourier transforms, High power lasers

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Proceedings Article | 18 November 2014 Paper

Investigation of physical features of both static and flowing-gas diode-pumped rubidium vapor lasers

Juhong Han, You Wang, Guofei An, Wei Zhang, He Cai, Liangping Xue, Hongyuan Wang

Proceedings Volume 9266, 92660P (2014) https://doi.org/10.1117/12.2072018

KEYWORDS: Semiconductor lasers, Rubidium, Absorption, Fluid dynamics, Thermal effects, High power lasers, Electrons, Laser sources, Algorithms, Gas lasers

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Proceedings Article | 21 February 2014 Paper

Theoretical investigation of output features of a diode-pumped rubidium vapor laser

You Wang, He Cai, Wei Zhang, Liangping Xue, Hongyuan Wang, Juhong Han

Proceedings Volume 9142, 914227 (2014) https://doi.org/10.1117/12.2054233

KEYWORDS: Methane, Rubidium, Helium, Semiconductor lasers, Gases, Absorption, Chemical species, Alkali vapor lasers, Laser optics, Cesium

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Showing 5 of 40 publications

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