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Spatial filters for high-peak-power multistage laser amplifiers.

Authors
  • Potemkin, A K
  • Barmashova, T V
  • Kirsanov, A V
  • Martyanov, M A
  • Khazanov, E A
  • Shaykin, A A
Type
Published Article
Journal
Applied optics
Publication Date
Jul 10, 2007
Volume
46
Issue
20
Pages
4423–4430
Identifiers
PMID: 17579697
Source
Medline
License
Unknown

Abstract

We describe spatial filters used in a Nd:glass laser with an output pulse energy up to 300 J and a pulse duration of 1 ns. This laser is designed for pumping of a chirped-pulse optical parametric amplifier. We present data required to choose the shape and diameter of a spatial filter lens, taking into account aberrations caused by spherical surfaces. Calculation of the optimal pinhole diameter is presented. Design features of the spatial filters and the procedure of their alignment are discussed in detail.

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