Collection Of theses on high power laser and plasma physics, 2014, 12 (1): 042602, Published Online: May. 27, 2017  

Temporal characteristic an alysis of stepped pulse on hohlraum wall

Author Affiliations
1 National Laboratory on High Power Laser and Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
2 University of Chinese Academy of Sciences, Beijing 100049, China
Abstract
Temporal and spatial optical field distributions of a stepped pulse on the hohlraum wall are numerically analyzed using fast-Fourier-transform method combined with chromatographic theory. Changes in the rising edge of the stepped pulse caused by spatio-temporal effect are systematically studied. Results demonstrate that a certain time difference exists for the laser to reach the hohlraum wall because of oblique incidence, which causes distortion to the stepped pulse, especially to the rising edge. Influences of the incident angle, focal length, and width of the input rising edge on distortion degree of the stepped pulse are also discussed. This letter provides some guidance for targeting pulse shaping and synchronization.

Zhaoyang Jiao, Yanli Zhang, Junyong Zhang, Jianqiang Zhu. Temporal characteristic an alysis of stepped pulse on hohlraum wall[J]. Collection Of theses on high power laser and plasma physics, 2014, 12(1): 042602.

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