16 May 2017 Precision control of mirror-grating phasing for a large aperture pulse compressor
Author Affiliations +
Abstract
Tiled-grating compressors of ultra-short pulse multi-petawatt lasers are currently the only viable way how to meet beam size requirements and stay within the damage threshold of the largest available gratings. Recently, a method how to double the effective aperture of compressor gratings by phasing them with perpendicularly positioned mirrors has been proposed, providing simplification to the traditional grating-grating tiling scheme by reducing the number of alignment degrees of freedom. The drawback of the method lies in tighter requirements on adjustment precision and stability of the system making the alignment and monitoring a challenging task. Here we propose and analyze different approaches to precision control of mirror-grating phasing and present a comparative experimental verification of the alignment systems on a small-scale test bench.
© (2017) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Štěpán Vyhlídka, Pavel Trojek, Daniel Kramer, David Snopek, Martin Šolc, Erhard Gaul, Bedřich Rus, "Precision control of mirror-grating phasing for a large aperture pulse compressor", Proc. SPIE 10238, High-Power, High-Energy, and High-Intensity Laser Technology III, 102381A (16 May 2017); doi: 10.1117/12.2270479; https://doi.org/10.1117/12.2270479
PROCEEDINGS
7 PAGES


SHARE
Back to Top