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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 37, Iss. 22 — Nov. 15, 2012
  • pp: 4621–4623

Preserving a diffraction-limited beam in Ho:YAG laser using coherent polarization locking

L. H. Tan, C. F. Chua, and P. B. Phua  »View Author Affiliations


Optics Letters, Vol. 37, Issue 22, pp. 4621-4623 (2012)
http://dx.doi.org/10.1364/OL.37.004621


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Abstract

We overcome several thermal issues present in Ho:YAG lasers by distributing the gain over a larger volume and achieve a diffraction-limited beam using coherent polarization locking. Increased single-pass absorption, suppression of output power saturation, and improvement in beam quality were shown using the coherent polarization locking technique as compared to a conventional Ho:YAG laser cavity with the same pump and cavity configuration. Ten watts of CW Ho:YAG laser power was generated with >96% coherent combining efficiency.

© 2012 Optical Society of America

OCIS Codes
(140.3070) Lasers and laser optics : Infrared and far-infrared lasers
(140.6810) Lasers and laser optics : Thermal effects
(140.3298) Lasers and laser optics : Laser beam combining

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: September 20, 2012
Manuscript Accepted: October 8, 2012
Published: November 6, 2012

Citation
L. H. Tan, C. F. Chua, and P. B. Phua, "Preserving a diffraction-limited beam in Ho:YAG laser using coherent polarization locking," Opt. Lett. 37, 4621-4623 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-22-4621

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