Influence of spectral clipping in chirped pulse amplification laser system on pulse temporal profile

Zhaoyang Li; Yaping Dai; Tao Wang; Guang Xu

doi:10.1117/12.756219

6 February 2008 Influence of spectral clipping in chirped pulse amplification laser system on pulse temporal profile

Zhaoyang Li, Yaping Dai, Tao Wang, Guang Xu

Proceedings Volume 6823, High-Power Lasers and Applications IV; 682315 (2008) https://doi.org/10.1117/12.756219
Event: Photonics Asia 2007, 2007, Beijing, China

Abstract

Spectral clipping effect in a chirped pulse amplification laser system is developed in this paper. A grating-size-limited stretcher/compressor as well as an amplifier can alter the spectrum profile of an ultrashort pulse, so the temporal profile will be influenced. We present a model of spectral clipping effect and calculate the wavelength-dependent spectral clipping ratios in a CPA laser system for a variety of matched stretcher-compressor designs. Then we analyze the output pulse's temporal distribution, and find that the temporal contrast ratio is mainly determined by the stretcher and the amplifier. The pulse duration of the output pulse is mainly influenced by the amplifier.

Citation Download Citation

Zhaoyang Li, Yaping Dai, Tao Wang, and Guang Xu "Influence of spectral clipping in chirped pulse amplification laser system on pulse temporal profile", Proc. SPIE 6823, High-Power Lasers and Applications IV, 682315 (6 February 2008); https://doi.org/10.1117/12.756219

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