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Applied Optics

Applied Optics


  • Vol. 38, Iss. 15 — May. 20, 1999
  • pp: 3266–3270

Temperature characteristics and stabilization of orthogonal polarization two-frequency Nd3+:YAG microchip lasers

Toshihiko Yoshino and Yukio Kobayashi  »View Author Affiliations

Applied Optics, Vol. 38, Issue 15, pp. 3266-3270 (1999)

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The temperature dependence of the beat frequency and polarization azimuth of fiber-guiding laser diode pumped Nd3+:YAG microchip lasers emitting orthogonal linear polarization at two frequencies is investigated, and we found a resemblance to the features that result from the application of mechanical force. The experimental observations are well described by the cavity model, which indicates that temperature change induces weak phase anisotropy in addition to the original phase anisotropy with general mutually inclined axes of anisotropy. With a servo control to keep the beat frequency constant, the beat and central laser frequencies are simultaneously stabilized to within ±0.1 MHz and ±0.35 GHz, respectively.

© 1999 Optical Society of America

OCIS Codes
(120.0120) Instrumentation, measurement, and metrology : Instrumentation, measurement, and metrology
(140.3530) Lasers and laser optics : Lasers, neodymium

Original Manuscript: October 26, 1998
Revised Manuscript: February 8, 1999
Published: May 20, 1999

Toshihiko Yoshino and Yukio Kobayashi, "Temperature characteristics and stabilization of orthogonal polarization two-frequency Nd3+:YAG microchip lasers," Appl. Opt. 38, 3266-3270 (1999)

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