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Applied Optics

Applied Optics


  • Vol. 35, Iss. 30 — Oct. 20, 1996
  • pp: 5861–5869

Prelase stabilization of the polarization state and frequency of a Q-switched, diode-pumped, Nd:YAG laser

Thomas Crawford, Christopher Lowrie, and John R. Thompson  »View Author Affiliations

Applied Optics, Vol. 35, Issue 30, pp. 5861-5869 (1996)

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We present an experimental investigation of the energy statistics of the linear polarization components of pulses from a Nd:YAG laser that is repetitively Q-switched with an acousto-optic modulator. Varying the modulator-induced diffraction losses leads to changes in the pulse polarization state and the energy statistics of the polarization components. For conventional Q-switching there is no laser oscillation during the low-Q intervals, and we find that the orthogonal components of the pulses can display large relative energy fluctuations even though the total pulse energy is quite stable. In the prelase mode, a weak continuous-wave background seeds the Q-switched pulses and results in the emission of highly linearly polarized, single-longitudinal-mode pulses with small relative energy fluctuations.

© 1996 Optical Society of America

Original Manuscript: January 17, 1996
Revised Manuscript: April 12, 1996
Published: October 20, 1996

Thomas Crawford, Christopher Lowrie, and John R. Thompson, "Prelase stabilization of the polarization state and frequency of a Q-switched, diode-pumped, Nd:YAG laser," Appl. Opt. 35, 5861-5869 (1996)

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