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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 42, Iss. 12 — Apr. 20, 2003
  • pp: 2206–2212

2-mJ single-axial-mode gain-switched Cr:forsterite lasers

Jan C. Diettrich, Donald M. Warrington, and Iain T. McKinnie  »View Author Affiliations


Applied Optics, Vol. 42, Issue 12, pp. 2206-2212 (2003)
http://dx.doi.org/10.1364/AO.42.002206


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Abstract

Single-longitudinal-mode operation of a gain-switched Cr4+ laser, with output energy as much as 1.9 mJ, is reported from two different coupled-cavity resonators. A prism-coupled cavity and a modified Michelson interferometric grazing-incidence (MIGI) cavity was pumped by a multilongitudinal-mode Q-switched Nd:YAG laser; the modified MIGI cavity obtained 100-MHz-bandwidth laser output tunable between 1150 and 1330 nm. Conversion efficiency of 3.2% (slope efficiency of 4%) was achieved, with a pump threshold density as small as 0.2 J/cm2. Mode spacing of the laser output in multilongitudinal mode showed increased mode spacing in agreement with a coupled-cavity theory.

© 2003 Optical Society of America

OCIS Codes
(140.3070) Lasers and laser optics : Infrared and far-infrared lasers
(140.3410) Lasers and laser optics : Laser resonators
(140.3430) Lasers and laser optics : Laser theory
(140.3570) Lasers and laser optics : Lasers, single-mode
(140.3600) Lasers and laser optics : Lasers, tunable

History
Original Manuscript: June 17, 2002
Revised Manuscript: October 1, 2002
Published: April 20, 2003

Citation
Jan C. Diettrich, Donald M. Warrington, and Iain T. McKinnie, "2-mJ single-axial-mode gain-switched Cr:forsterite lasers," Appl. Opt. 42, 2206-2212 (2003)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-42-12-2206

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