Dr. He Zhao Profile

Dr. He Zhao

at Beijing Univ of Technology

SPIE Involvement:

Author

Publications (6)

Proceedings Article | 16 October 2023 Paper

Femtosecond chirped-pulse amplification system based on gain-managed nonlinearity regime

Tong Xia, He Zhao, YuBin Hou, Qian Zhang, SiYuan Cao, YuHao Chen, PengLei Zhang, Pu Wang

Proceedings Volume 12792, 1279218 (2023) https://doi.org/10.1117/12.2691239

KEYWORDS: Femtosecond pulse shaping, Femtosecond phenomena, Ultrafast phenomena, Pulse signals, Oscillators, Fiber lasers, Laser systems engineering, Autocorrelation, Mode locking, Femtosecond fiber lasers

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Proceedings Article | 21 March 2023 Paper

1.3 μJ ultrashort pulse generation with gain-managed nonlinear Yb‑doped fiber amplifier

Tong Xia, Zhaochen Cheng, Yubin Hou, He Zhao, Siyuan Cao, Pu Wang

Proceedings Volume 12595, 1259503 (2023) https://doi.org/10.1117/12.2666350

KEYWORDS: Fiber amplifiers, Ultrafast phenomena, Laser systems engineering, Fiber lasers, Femtosecond phenomena

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Proceedings Article | 8 July 2022 Paper

A novel all-fiber tunable spectral shaper for pre-compensating gain-narrowing based on nonlinear amplifying loop mirror

Yuhang Shi, Zhaochen Cheng, Tong Xia, He Zhao, Zhigang Peng, Pu Wang

Proceedings Volume 12280, 122800H (2022) https://doi.org/10.1117/12.2620517

KEYWORDS: Modulation, Fiber amplifiers, Mirrors, Reflectivity, Amplifiers, Transmittance, Optical amplifiers, Ultrafast phenomena, Laser systems engineering, Fiber lasers

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Proceedings Article | 8 July 2022 Paper

Study of stability and durability of nanosecond pulsed laser coloring on TC4 and ultrafast pulsed laser color erasing

He Zhao, Zhaochen Cheng, Tong Xia, Yuhang Shi, Pu Wang

Proceedings Volume 12280, 1228004 (2022) https://doi.org/10.1117/12.2620479

KEYWORDS: Pulsed laser operation, Laser marking, Laser applications, Oxides, Color difference, Ultrafast phenomena, Industrial chemicals

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Proceedings Article | 27 March 2022 Paper

Color erasing by ultrafast and nanosecond pulsed laser on titanium

He Zhao, Zhaochen Cheng, Tong Xia, Pu Wang

Proceedings Volume 12169, 121696Z (2022) https://doi.org/10.1117/12.2624905

KEYWORDS: Pulsed laser operation, Titanium, Laser applications, Laser processing, Color difference, Chemical elements, Reflectivity, Metals, Laser marking

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Proceedings Article | 31 August 2021 Paper

Study on laser coloring and color erasing-rewriting of TC4 surface

He Zhao, ZhaoChen Cheng, Tong Xia, Pu Wang

Proceedings Volume 11907, 119071K (2021) https://doi.org/10.1117/12.2603023

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Showing 5 of 6 publications

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