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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Glenn D. Boreman
  • Vol. 44, Iss. 28 — Oct. 1, 2005
  • pp: 5990–5995

Control of the pulse width in a diode-pumped passively Q-switched Nd:GdVO4/KTP green laser with a Cr4+:YAG saturable absorber

Guiqiu Li, Shengzhi Zhao, Kejian Yang, and Peng Song  »View Author Affiliations


Applied Optics, Vol. 44, Issue 28, pp. 5990-5995 (2005)
http://dx.doi.org/10.1364/AO.44.005990


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Abstract

Different techniques to control the pulse width of a diode-pumped passively Q-switched Nd:GdVO4/KTP green laser have been theoretically and experimentally studied. It is shown that, when we vary the positions of the saturable absorber in the laser axis and the pump beam waist in the gain medium, we obtain an efficient means to control the pulse width. The experiments performed on a diode-pumped Nd:GdVO4/KTP green laser passively Q-switched by a Cr4+:YAG saturable absorber are consistent with the theoretical calculations obtained from the rate equation model, in which the intracavity photon density that is assumed to be the Gaussian spatial distribution, the longitudinal variation of the intracavity photon density, and the pump beam spatial distribution are also considered.

© 2005 Optical Society of America

OCIS Codes
(140.3430) Lasers and laser optics : Laser theory
(140.3480) Lasers and laser optics : Lasers, diode-pumped
(140.3530) Lasers and laser optics : Lasers, neodymium
(140.3540) Lasers and laser optics : Lasers, Q-switched
(140.3580) Lasers and laser optics : Lasers, solid-state

ToC Category:
Lasers and Laser Optics

Citation
Guiqiu Li, Shengzhi Zhao, Kejian Yang, and Peng Song, "Control of the pulse width in a diode-pumped passively Q-switched Nd:GdVO4/KTP green laser with a Cr4+:YAG saturable absorber," Appl. Opt. 44, 5990-5995 (2005)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-44-28-5990

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