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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 35, Iss. 11 — Jun. 1, 2010
  • pp: 1854–1856

Power scaling of cryogenic Yb : LiYF 4 lasers

Luis E. Zapata, Daniel J. Ripin, and Tso Yee Fan  »View Author Affiliations


Optics Letters, Vol. 35, Issue 11, pp. 1854-1856 (2010)
http://dx.doi.org/10.1364/OL.35.001854


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Abstract

We demonstrate a cryogenically cooled Yb : LiYF 4 (Yb:YLF) laser with 224 W linearly polarized output power (pump-power limited) and a slope efficiency of 68%. The beam quality is characterized by an M 2 1.1 at 60 W output and M 2 2.6 at 180 W output. This level of average laser power is approximately 2 orders of magnitude higher than demonstrated previously in cryogenic Yb:YLF. Yb:YLF is attractive for femtosecond pulse generation because of its wide gain bandwidth, and this demonstration shows the potential for high-average-power subpicosecond pulse lasers.

© 2010 Optical Society of America

OCIS Codes
(140.7090) Lasers and laser optics : Ultrafast lasers
(140.3615) Lasers and laser optics : Lasers, ytterbium

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: February 9, 2010
Manuscript Accepted: February 16, 2010
Published: May 25, 2010

Citation
Luis E. Zapata, Daniel J. Ripin, and Tso Yee Fan, "Power scaling of cryogenic Yb:LiYF4 lasers," Opt. Lett. 35, 1854-1856 (2010)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-35-11-1854

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