Improving focusability of post-compressed PW laser pulses using a deformable mirror-Reference-Cited by-同舟云学术

Improving focusability of post-compressed PW laser pulses using a deformable mirror

Published:2022-10-18 Issue:22 Volume:30 Page:40584
ISSN:1094-4087
Container-title:Optics Express
language:en
Short-container-title:Opt. Express

Author:

Soloviev Alexander¹^ORCID,Kotov Alexander¹,Martyanov Mikhail¹^ORCID,Perevalov Sergey¹,Zemskov Roman¹,Starodubtsev Mikhail¹,Alexandrov Alexander²,Galaktionov Ilya²^ORCID,Samarkin Vadim²,Kudryashov Alexis²³^ORCID,Yakovlev Ivan¹,Ginzburg Vladislav¹,Kochetkov Anton¹,Shaikin Ilya¹,Kuzmin Alexey¹,Stukachev Sergey¹,Mironov Sergey¹^ORCID,Shaykin Andrey¹,Khazanov Efim¹^ORCID

Affiliation:

1. Federal Research Center Institute of Applied Physics of the Russian Academy of Sciences (IAP RAS)

2. Russian Academy of Sciences

3. Moscow Polytechnic University

Abstract

The use of the post-compression technique ensures gain in laser pulse peak power but at the same time degrades beam focusability due to the nonlinear wavefront distortions caused by a spatially nonuniform beam profile. In this paper a substantial focusability improvement of a post-compressed laser pulse by means of adaptive optics was demonstrated experimentally. The Strehl ratio increase from 0.16 to 0.43 was measured. Simulations showed that the peak intensity in this case reaches 0.52 of the theoretical limit.

Funder

Russian Science Foundation

Publisher

Optica Publishing Group

Subject

Atomic and Molecular Physics, and Optics

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