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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 23, Iss. 13 — Jul. 1, 1998
  • pp: 1034–1036

Efficient self-seeding of a pulsed Ti3+:Al2O3 laser

Andrew J. Merriam and G. Y. Yin  »View Author Affiliations


Optics Letters, Vol. 23, Issue 13, pp. 1034-1036 (1998)
http://dx.doi.org/10.1364/OL.23.001034


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Abstract

We describe the design considerations and operating characteristics of a compact, widely tunable, narrow-linewidth, megawatt-class pulsed laser system based on Ti3+:Al2O3 (Ti:sapphire) pumped by the second harmonic of a 1.06-μm Nd:YAG laser. The system delivers 10 mJ in a 5-ns near-transform-limited single-longitudinal-mode (SLM) pulse with a threshold of 20 mJ and a slope efficiency greater than 40%. By the technique of self-seeding, in which a portion of the gain medium's spontaneous fluorescence is coupled back to the laser cavity, SLM operation may be obtained across the entire gain profile of Ti:sapphire with a minimum number of optical components and without external seeding.

© 1998 Optical Society of America

OCIS Codes
(140.0140) Lasers and laser optics : Lasers and laser optics
(140.3410) Lasers and laser optics : Laser resonators
(140.3600) Lasers and laser optics : Lasers, tunable

Citation
Andrew J. Merriam and G. Y. Yin, "Efficient self-seeding of a pulsed Ti3+:Al2O3 laser," Opt. Lett. 23, 1034-1036 (1998)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-23-13-1034


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