Measurement and compensation schemes for the pulse front distortion of ultra-intensity ultra-short laser pulses

Fenxiang Wu; Yi Xu; Linpeng Yu; Xiaojun Yang; Wenkai Li; Jun Lu; Yuxin Leng

doi:10.1117/12.2245398

9 November 2016 Measurement and compensation schemes for the pulse front distortion of ultra-intensity ultra-short laser pulses

Fenxiang Wu, Yi Xu, Linpeng Yu, Xiaojun Yang, Wenkai Li, Jun Lu, Yuxin Leng

Author Affiliations +

Proceedings Volume 10016, High-Power Lasers and Applications VIII; 1001610 (2016) https://doi.org/10.1117/12.2245398
Event: SPIE/COS Photonics Asia, 2016, Beijing, China

Abstract

Pulse front distortion (PFD) is mainly induced by the chromatic aberration in femtosecond high-peak power laser systems, and it can temporally distort the pulse in the focus and therefore decrease the peak intensity. A novel measurement scheme is proposed to directly measure the PFD of ultra-intensity ultra-short laser pulses, which can work not only without any extra struggle for the desired reference pulse, but also largely reduce the size of the required optical elements in measurement. The measured PFD in an experimental 200TW/27fs laser system is in good agreement with the calculated result, which demonstrates the validity and feasibility of this method effectively. In addition, a simple compensation scheme based on the combination of concave lens and parabolic lens is also designed and proposed to correct the PFD. Based on the theoretical calculation, the PFD of above experimental laser system can almost be completely corrected by using this compensator with proper parameters.

Citation Download Citation

Fenxiang Wu, Yi Xu, Linpeng Yu, Xiaojun Yang, Wenkai Li, Jun Lu, and Yuxin Leng "Measurement and compensation schemes for the pulse front distortion of ultra-intensity ultra-short laser pulses", Proc. SPIE 10016, High-Power Lasers and Applications VIII, 1001610 (9 November 2016); https://doi.org/10.1117/12.2245398

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