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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 50, Iss. 8 — Mar. 10, 2011
  • pp: 1186–1189

Dual-rod, 100 Hz, 388 mJ nanosecond Nd:YAG oscillator

Qiang Liu, Jianhui Liu, and Mali Gong  »View Author Affiliations


Applied Optics, Vol. 50, Issue 8, pp. 1186-1189 (2011)
http://dx.doi.org/10.1364/AO.50.001186


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Abstract

We report a large mode volume unstable resonator working at 100 Hz . The resonator is combined with a variable reflectivity convex mirror and a high-reflective convex mirror. The cavity mirrors are used to compensate for the thermal lensing effect of the two Nd:YAG laser rods, which are pumped by high- energy high-repetition-rate diode lasers. A 90 ° quartz rotator is placed between the two laser rods to compensate for the thermal depolarization. In the experiment, output of as high as 388 mJ is obtained at 100 Hz with slope efficiency of 36%. The pulse width is 15 ns , and the beam quality factor is M x 2 = 3.2 , M y 2 = 2.8 .

© 2011 Optical Society of America

OCIS Codes
(140.3480) Lasers and laser optics : Lasers, diode-pumped
(140.3540) Lasers and laser optics : Lasers, Q-switched
(140.3580) Lasers and laser optics : Lasers, solid-state

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: September 28, 2010
Revised Manuscript: December 15, 2010
Manuscript Accepted: January 20, 2011
Published: March 9, 2011

Citation
Qiang Liu, Jianhui Liu, and Mali Gong, "Dual-rod, 100 Hz, 388 mJ nanosecond Nd:YAG oscillator," Appl. Opt. 50, 1186-1189 (2011)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-50-8-1186

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