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Optics Letters

Optics Letters


  • Editor: Anthony J. Campillo
  • Vol. 32, Iss. 20 — Oct. 15, 2007
  • pp: 2909–2911

Output-coupling-dependent polarization state of a continuous-wave Yb : Y Ca 4 O ( B O 3 ) 3 laser

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

Optics Letters, Vol. 32, Issue 20, pp. 2909-2911 (2007)

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High-power continuous-wave laser operation was demonstrated with a y-cut Yb : Y Ca 4 O ( B O 3 ) 3 crystal, showing critical dependence on the output coupler used. Polarized laser oscillation with E x was obtained at 1085.6 nm by using a coupler of 0.5% transmission, yielding an output power of 7.3 W with an optical-to-optical efficiency of 63%. Higher output couplings ( 2 % ) led to polarized oscillation with E z at laser wavelengths 1055.5 nm , the highest output power was 6.5 W . Dual-wavelength operation in the two polarization states was realized with a coupler of 1% transmission, the output powers for the two orthogonal polarizations were 3.15 W at 1084.3 nm ( E x ) and 3.45 W at 1061.3 nm ( E z ) . The slope efficiency for output couplers with transmission in the 0.5%–2% range was 81%–83%.

© 2007 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

Original Manuscript: August 7, 2007
Revised Manuscript: September 9, 2007
Manuscript Accepted: September 10, 2007
Published: October 1, 2007

Junhai Liu, Huaijin Zhang, Jiyang Wang, and Valentin Petrov, "Output-coupling-dependent polarization state of a continuous-wave Yb:YCa4O(BO3)3 laser," Opt. Lett. 32, 2909-2911 (2007)

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