李X

李学春 Xuechun Li

Chinese Academy of Sciences

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王J

王江峰 Jiangfeng Wang

Chinese Academy of Sciences

姜Y

姜有恩 Youen Jiang

Chinese Academy of Sciences

卢X

卢兴华 Xinghua Lu

Chinese Academy of Sciences

王Y

王艳海 Yanhai Wang

Hebei University of Science and Technology

鲍Y

鲍岩 Yan Bao

Shanghai Institute of Optics and Fine Mechanics

范W

范薇 Wei Fan

Chinese Academy of Sciences

姜Y

姜有恩 You'en Jiang

Shanghai Institute of Optics and Fine Mechanics

Zunqi Lin

Shanghai Institute of Optics and Fine Mechanics

李X

李响 Xiang Li

Chinese Academy of Sciences

Cooperative Institutions

Chinese Academy of Sciences

Shanghai Institute of Optics and Fine Mechanics

Hebei University of Science and Technology

ShanghaiTech University

Chinese Academy of Engineering

Academia Sinica

Institute of Plasma Physics

Institute of Theoretical Physics

Rutherford Appleton Laboratory

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Laser pulse spectral shaping based on electro-optic modulation

Chinese Optics Letters (2008)

王艳海 Yanhai Wang 王江峰 Jiangfeng Wang 姜有恩 You'en Jiang 鲍岩 Yan Bao 李学春 Xuechun Li

A new spectrum shaping method, based on electro-optic modulation, to alleviate gain narrowing in chirped pulse amplification (CPA) system, is described and numerically simulated.Near-Fourier transform-limited seed laser pulse is chirped linearly through optical stretcher.Then the chirped laser pulse is coupled into integrated waveguide electro-optic modulator driven by an aperture-coupled-stripline (ACSL) electricalwaveform generator, and the pulse shape and amplitude are shaped in time domain.Because of the direct relationship between frequency interval and time interval of the linearly chirped pulse, the laser pulse spectrum is shaped correspondingly.Spectrum-shaping examples are modeled numerically to determine the spectral resolution of this technique.The phase error introduced in this method is also discussed.

Modulation (music)

10.3788/col20080611.0841

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Theoretical and experimental research on cryogenic Yb:YAG regenerative amplifier

Chinese Optics Letters (2011)

卢兴华 Xinghua Lu 王江峰 Jiangfeng Wang 李响 Xiang Li 姜有恩 Youen Jiang 范薇 Wei Fan

Based on the theory of quasi-three-level rate equations modified by amplified spontaneous emission, the stored energy density and the small signal gain of the cryogenic Yb:YAG regenerative amplifier for a given geometry for pulsed pumping in three dimensions are theoretically studied using the Monte Carlo simulation. The present model provides a straightforward procedure to design the Yb:YAG parameters and the optical coupling system for optimization when running at cryogenic temperature. A fiber-coupled laser diode end-pumped cryogenic Yb:YAG regenerative amplifier running at 1 030 nm is demonstrated with a maximum output energy 10.2 mJ at a repetition rate of 10 Hz. A very good agreement between the experiments and the theoretical model is achieved.

10.3788/col201109.111401

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Citations (6)