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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 20 — Sep. 28, 2009
  • pp: 18312–18319

Direct Comparison of Yb3+:CaF2 and heavily doped Yb3+:YLF as laser media at room temperature

Angela Pirri, Daniele Alderighi, Guido Toci, Matteo Vannini, Martin Nikl, and Hiroki Sato  »View Author Affiliations


Optics Express, Vol. 17, Issue 20, pp. 18312-18319 (2009)
http://dx.doi.org/10.1364/OE.17.018312


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Abstract

We report an extensive comparison of the laser performances of diode-pumped Yb3+:YLF (30% at.) and Yb3+:CaF2 (5% at.) crystals, lasing at room-temperature and operating in two different operation mode, i.e. Continuous Wave (CW) and quasi-CW. An in-depth investigation of the crystals behavior by changing the pump power, clearly shows the crystal absorption depends on the lasing conditions. Therefore, we report an unambiguous definition of the slope efficiency calculated taken into account the real measured crystal absorption under laser action. Finally, we present a study of problems related to thermally induced losses which are expected influencing the laser performance.

© 2009 OSA

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: July 23, 2009
Revised Manuscript: August 20, 2009
Manuscript Accepted: August 20, 2009
Published: September 25, 2009

Citation
Angela Pirri, Daniele Alderighi, Guido Toci, Matteo Vannini, Martin Nikl, and Hiroki Sato, "Direct Comparison of Yb3+:CaF2 and heavily doped Yb3+:YLF as laser media at room temperature," Opt. Express 17, 18312-18319 (2009)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-17-20-18312


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References

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