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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: James C. Wyant
  • Vol. 47, Iss. 29 — Oct. 10, 2008
  • pp: 5436–5441

Anisotropy in laser performance of Y b : G d Ca 4 O ( BO 3 ) 3 crystal

Junhai Liu, Hongwei Yang, Huaijin Zhang, Jiyang Wang, and Valentin Petrov  »View Author Affiliations


Applied Optics, Vol. 47, Issue 29, pp. 5436-5441 (2008)
http://dx.doi.org/10.1364/AO.47.005436


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Abstract

We report distinct laser performance of Yb:Gd Ca 4 O ( BO 3 ) 3 crystals cut along different principal optical axes using an unpolarized diode pump. The continuous-wave (cw) laser oscillation generated with y-cut crystal is polarized either with E x or with E z depending on the output coupling (T) utilized; a specific T = 3 % leads to a special situation in which the two orthogonal polarization states coexist oscillating at different wavelengths. The laser oscillation achieved with x- and z-cut crystals is also polarized, but with a fixed polarization of E z and E x , respectively. The most efficient laser operation is obtained with the y-cut crystal, generating a cw output power of 7.35 W at 1083 1085 nm with an optical-to-optical efficiency of 63%, the slope efficiency being as high as 84%.

© 2008 Optical Society of America

OCIS Codes
(140.3380) Lasers and laser optics : Laser materials
(140.3480) Lasers and laser optics : Lasers, diode-pumped
(140.3580) Lasers and laser optics : Lasers, solid-state

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: March 21, 2008
Revised Manuscript: August 8, 2008
Manuscript Accepted: September 16, 2008
Published: October 8, 2008

Citation
Junhai Liu, Hongwei Yang, Huaijin Zhang, Jiyang Wang, and Valentin Petrov, "Anisotropy in laser performance of Yb:GdCa4O(BO3)3 crystal," Appl. Opt. 47, 5436-5441 (2008)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-47-29-5436

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