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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 15, Iss. 13 — Jun. 25, 2007
  • pp: 7994–8002

High efficiency room temperature laser emission in heavily doped Yb:YLF

Matteo Vannini, Guido Toci, Daniele Alderighi, Daniela Parisi, Francesco Cornacchia, and Mauro Tonelli  »View Author Affiliations


Optics Express, Vol. 15, Issue 13, pp. 7994-8002 (2007)
http://dx.doi.org/10.1364/OE.15.007994


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Abstract

We report the tunable, CW and quasi CW laser operation at room temperature of an highly doped (30% at.) Yb:YLF crystal longitudinally pumped by a fiber coupled laser diode array. The CW output power is 1.15 W vs. an absorbed pump power of 6 W, with a slope efficiency of 31%. In quasi-CW operation (20% duty factor @10 Hz) an output power of 4 W with an absorbed power of 9.5 W, and a slope efficiency of 62.8% were obtained. The tuning range spans from 1022 to 1075 nm. To our knowledge, these are among the best experimental results obtained at room temperature with Yb doped YLF.

© 2007 Optical Society of America

OCIS Codes
(140.0140) Lasers and laser optics : Lasers and laser optics
(140.3580) Lasers and laser optics : Lasers, solid-state
(140.3600) Lasers and laser optics : Lasers, tunable
(140.5680) Lasers and laser optics : Rare earth and transition metal solid-state lasers
(160.3380) Materials : Laser materials

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: March 13, 2007
Revised Manuscript: April 13, 2007
Manuscript Accepted: April 14, 2007
Published: June 12, 2007

Citation
Matteo Vannini, Guido Toci, Daniele Alderighi, Daniela Parisi, Francesco Cornacchia, and Mauro Tonelli, "High efficiency room temperature laser emission in heavily doped Yb:YLF," Opt. Express 15, 7994-8002 (2007)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-15-13-7994


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References

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