Experimental research on high-contrast measurement for ns high-power laser shaped pulse

Jun Dong; Zhi-hong Sun; Zhi-tao Peng; Zhong-gui Lu; Yan-wen Xia; Hao-yu Yuan; Jia-kun Lv; Hua Liu; Jun Tang

doi:10.1117/12.2065341

3 February 2015 Experimental research on high-contrast measurement for ns high-power laser shaped pulse

Jun Dong, Zhi-hong Sun, Zhi-tao Peng, Zhong-gui Lu, Yan-wen Xia, Hao-yu Yuan, Jia-kun Lv, Hua Liu, Jun Tang

Proceedings Volume 9255, XX International Symposium on High-Power Laser Systems and Applications 2014; 92554F (2015) https://doi.org/10.1117/12.2065341
Event: XX International Symposium on High Power Laser Systems and Applications, 2014, Chengdu, China

Abstract

Based on the multiple pulses joining, the cascaded photodetection is experimentally researched on high-contrast measurement of ns high-power laser pulse. The ultrafast photodetectors with the saturation characteristics are used. A joining method for multi-pulse waveforms in the nonlinear region is put forward. The experimental results for ns step-pulse at SG-III laser system show the contrast of ~ 400:1 is achieved, in accord with designed contrast value.

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Jun Dong, Zhi-hong Sun, Zhi-tao Peng, Zhong-gui Lu, Yan-wen Xia, Hao-yu Yuan, Jia-kun Lv, Hua Liu, and Jun Tang "Experimental research on high-contrast measurement for ns high-power laser shaped pulse", Proc. SPIE 9255, XX International Symposium on High-Power Laser Systems and Applications 2014, 92554F (3 February 2015); https://doi.org/10.1117/12.2065341

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