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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 37, Iss. 15 — May. 20, 1998
  • pp: 3268–3271

Tunable Single Frequency Thulium:YAG Microchip Laser With External Feedback

Frank F. Heine and Günter Huber  »View Author Affiliations


Applied Optics, Vol. 37, Issue 15, pp. 3268-3271 (1998)
http://dx.doi.org/10.1364/AO.37.003268


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Abstract

By use of the reflection of an uncoated external etalon, a diode-pumped thulium-doped YAG microchip laser was forced into a single-frequency mode. The wavelength of the single-frequency radiation was tunable over 15 nm simply by translation of the etalon relative to the laser. Output powers of 45 mW were achieved in a monolithic setup that is insensitive to vibrations. The origin of the single-frequency oscillation is the wavelength-dependent reflection of the etalon, which is coupled back into the laser resonator. This method permits the combination of inherently stable, single-frequency resonator geometries such as microchips with laser materials that have broad tuning ranges.

© 1998 Optical Society of America

OCIS Codes
(140.0140) Lasers and laser optics : Lasers and laser optics
(140.3480) Lasers and laser optics : Lasers, diode-pumped
(140.3570) Lasers and laser optics : Lasers, single-mode
(140.3580) Lasers and laser optics : Lasers, solid-state
(350.5610) Other areas of optics : Radiation

Citation
Frank F. Heine and Günter Huber, "Tunable Single Frequency Thulium:YAG Microchip Laser With External Feedback," Appl. Opt. 37, 3268-3271 (1998)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-37-15-3268

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