Preliminary design of the spatial filters used in the multipass amplification system of TIL

Qihua Zhu; Xiao Min Zhang; Feng Jing

doi:10.1117/12.334810

30 December 1998 Preliminary design of the spatial filters used in the multipass amplification system of TIL

Qihua Zhu, Xiao Min Zhang, Feng Jing

Proceedings Volume 3683, Laser Optics '98: Superstrong Laser Fields and Applications; (1998) https://doi.org/10.1117/12.334810
Event: Laser Optics '98, 1998, St. Petersburg, Russian Federation

Abstract

The spatial filters are used in Technique Integration Line, which has a multi-pass amplifier, not only to suppress parasitic high spatial frequency modes but also to provide places for inserting a light isolator and injecting the seed beam, and to relay image while the beam passes through the amplifiers several times. To fulfill these functions, the parameters of the spatial filters are optimized by calculations and analyzes with the consideration of avoiding the plasma blow-off effect and components demanding by ghost beam focus. The 'ghost beams' are calculated by ray tracing. A software was developed to evaluate the tolerance of the spatial filters and their components, and to align the whole system on computer simultaneously.

Citation Download Citation

Qihua Zhu, Xiao Min Zhang, and Feng Jing "Preliminary design of the spatial filters used in the multipass amplification system of TIL", Proc. SPIE 3683, Laser Optics '98: Superstrong Laser Fields and Applications, (30 December 1998); https://doi.org/10.1117/12.334810

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