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Conferences > CLEO > 1993 > CWJ > CWJ23
  • Conference on Lasers and Electro-Optics
  • OSA Technical Digest (Optica Publishing Group, 1993),
  • paper CWJ23

Powerful Nd:YAG laser of two active elements with low divergency of an output beam

S. A. Dimakov, A. V. Gorlanov, S. I. Klimentev, I. B. Orlova, and N. A. Sventsitskaya

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Abstract

Lasers of Nd: YAG active elements with stable resonators usually yield multimode radiation with divergency 20-100 times exceeding the diffraction limit. Use of unstable resonators is not a trivial task because of induced strong thermal lenses in crystals. Good results were achieved from a single active element laser with an unstable resonator in Ref. 1. The resonator scheme included the supergauss coupler and imaged a middle section of the amplifier on itself.

© 1993 Optical Society of America

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