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Optics Letters

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  • Editor: Alan E. Willner
  • Vol. 37, Iss. 11 — Jun. 1, 2012
  • pp: 1859–1861

6.1 W single frequency laser output at 1645 nm from a resonantly pumped Er:YAG nonplanar ring oscillator

Chunqing Gao, Lingni Zhu, Ran Wang, Mingwei Gao, Yan Zheng, and Lei Wang  »View Author Affiliations


Optics Letters, Vol. 37, Issue 11, pp. 1859-1861 (2012)
http://dx.doi.org/10.1364/OL.37.001859


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Abstract

A monolithic 1645 nm Er:YAG nonplanar ring oscillator (NPRO) resonantly pumped by a 1532 nm fiber laser is demonstrated. For reducing the energy-transfer upconversion effect, a 0.5% doped Er:YAG nonplanar crystal was used. An up to 6.1 W single frequency laser output at 1645 nm was obtained, with a slope efficiency of 55.2% and an optical efficiency of 48.0%. The linewidth of the Er:YAG NPRO was 14.4 kHz.

© 2012 Optical Society of America

OCIS Codes
(140.3460) Lasers and laser optics : Lasers
(140.3500) Lasers and laser optics : Lasers, erbium
(140.3560) Lasers and laser optics : Lasers, ring
(140.3570) Lasers and laser optics : Lasers, single-mode

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: January 17, 2012
Revised Manuscript: March 6, 2012
Manuscript Accepted: March 13, 2012
Published: May 21, 2012

Citation
Chunqing Gao, Lingni Zhu, Ran Wang, Mingwei Gao, Yan Zheng, and Lei Wang, "6.1 W single frequency laser output at 1645 nm from a resonantly pumped Er:YAG nonplanar ring oscillator," Opt. Lett. 37, 1859-1861 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-11-1859


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