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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 13, Iss. 7 — Apr. 4, 2005
  • pp: 2755–2760

Passively Q-switched Single-longitudinal-mode c-cut Nd:GdVO4 laser with a twisted-mode cavity

Haifeng Pan, Shixiang Xu, and Heping Zeng  »View Author Affiliations

Optics Express, Vol. 13, Issue 7, pp. 2755-2760 (2005)

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Single-longitudinal-mode operation is achieved in a twisted-mode-cavity c-cut Nd:GdVO4 laser. With a semiconductor saturable absorption mirror as an intracavity saturable absorber to launch passive Q-switching, no mode-locked spikes are observed on the temporal envelopes of the Q-switched output pulses due to the complete elimination of spatial hole burning in the gain medium to suppress longitudinal multi-modes. The maximal average output power is 1.24 W with the repetition rate of 76.3 kHz, and the single pulse energy is 16.0 µJ. The pulse width and polarization ratio of the output laser beam are measured about 150 ns and 53:1, respectively.

© 2005 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:
Research Papers

Original Manuscript: March 3, 2005
Revised Manuscript: March 25, 2005
Published: April 4, 2005

Haifeng Pan, Shixiang Xu, and Heping Zeng, "Passively Q-switched Single-longitudinal-mode c-cut Nd:GdVO4 laser with a twisted-mode cavity," Opt. Express 13, 2755-2760 (2005)

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