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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 15, Iss. 10 — May. 14, 2007
  • pp: 6177–6182

Q-switching of a fiber laser with a single crystal photo-elastic modulator

Ferdinand Bammer and Rok Petkovsek  »View Author Affiliations

Optics Express, Vol. 15, Issue 10, pp. 6177-6182 (2007)

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A study of using a single crystal photo-elastic modulator for active Q-switching of a fiber laser is presented. The modulator, which oscillates in a longitudinal eigenmode, was realized with LiTaO3. This induces due to the photo-elastic effect a modulated artificial birefringence which modulates the polarization of passing light. When used together with a polarizer inside a laser cavity the laser photon life time is strongly modulated and the laser may start to emit laser pulses. We realized this with a fiber laser based on a 5m long double clad Nd-doped fiber. The pulse repetition frequency was 400 kHz and the pulse duration 300ns.

© 2007 Optical Society of America

OCIS Codes
(140.3510) Lasers and laser optics : Lasers, fiber
(140.3540) Lasers and laser optics : Lasers, Q-switched
(230.4110) Optical devices : Modulators

ToC Category:
Lasers and Laser Optics

Original Manuscript: March 21, 2007
Revised Manuscript: April 25, 2007
Manuscript Accepted: April 29, 2007
Published: May 3, 2007

Ferdinand Bammer and Rok Petkovsek, "Q-switching of a fiber laser with a single crystal photo-elastic modulator," Opt. Express 15, 6177-6182 (2007)

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