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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 25 — Dec. 5, 2011
  • pp: 25279–25289

Continuous-wave laser generation at ~2.1 µm in Ho:KRE(WO4)2 (RE = Y, Gd, Lu) crystals: a comparative study

Venkatesan Jambunathan, Xavier Mateos, Maria Cinta Pujol, Joan Josep Carvajal, Francesc Díaz, Magdalena Aguiló, Uwe Griebner, and Valentin Petrov  »View Author Affiliations


Optics Express, Vol. 19, Issue 25, pp. 25279-25289 (2011)
http://dx.doi.org/10.1364/OE.19.025279


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Abstract

The laser performance of the monoclinic Ho:RE(WO4)2 (RE = Y, Gd, Lu) crystals is compared under identical experimental conditions. The comparison deals with the laser transition of Ho3+ at ~2.1µm by using two different pump sources, a diode laser operating at 1941 nm and a diode-pumped Tm:KLu(WO4)2 laser operating at 1946 nm. The results show internal slope efficiencies of ~60% and output powers exceeding 400 mW. The laser performance of Ho:KY(WO4)2 and Ho:KLu(WO4)2 is quite similar and superior to Ho:KGd(WO4)2.

© 2011 OSA

OCIS Codes
(140.3070) Lasers and laser optics : Infrared and far-infrared lasers
(140.3480) Lasers and laser optics : Lasers, diode-pumped
(140.5680) Lasers and laser optics : Rare earth and transition metal solid-state lasers

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: June 17, 2011
Revised Manuscript: July 22, 2011
Manuscript Accepted: July 23, 2011
Published: November 23, 2011

Citation
Venkatesan Jambunathan, Xavier Mateos, Maria Cinta Pujol, Joan Josep Carvajal, Francesc Díaz, Magdalena Aguiló, Uwe Griebner, and Valentin Petrov, "Continuous-wave laser generation at ~2.1 µm in Ho:KRE(WO4)2 (RE = Y, Gd, Lu) crystals: a comparative study," Opt. Express 19, 25279-25289 (2011)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-19-25-25279


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References

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