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Conferences > CLEO > 1991 > CTuW > CTuW15
  • Conference on Lasers and Electro-Optics
  • OSA Technical Digest (Optica Publishing Group, 1991),
  • paper CTuW15

Enhanced second-harmonic generation of a fixed Q alexandrite laser using a variable-reflectivity mirror unstable resonator

Bruno Labranche, Kevin J. Snell, Gaétan Duplain, and Pierre Galarneau

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Abstract

The frequency-doubled, long-pulse alexandrite laser has been considered as a possible source for energetic, near-UV pulses in applications requiring fiber delivery, such as medicine. Enhanced second-harmonic generation (SHG) has been obtained by using an unstable resonator with a variable-reflectivity-mirror (VRM) output coupler. Such a resonator has been demonstrated to use the available gain volume effectively and to produce very-high-quality beams.1,2

© 1991 Optical Society of America

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