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  • Conference on Lasers and Electro-Optics
  • OSA Technical Digest (Optica Publishing Group, 2002),
  • paper CMK5

Off Axis Aberration Compensation of Focusing with Spherical Mirrors Using Deformable Mirrors

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Abstract

In our laser chain,1 the propagation through many optical components, and thermal effects during the amplification processes produce some spatial aberrations onto the beam. The thermal aberrations in the power amplifier (third amplification stage) are very well corrected by cooling the Ti: sapphire crystal down to 120°K where its index remains almost constant. The remaining aberrations will be corrected with a deformable mirror in order to optimise the size of the focal spot and increase the peak intensity.

© 2002 Optical Society of America

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