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Optics Letters

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  • Vol. 37, Iss. 13 — Jul. 1, 2012
  • pp: 2562–2564

Fully conductively cooled, diode-pumped Ho:Tm:LuLiF4 laser oscillator/amplifier

Yingxin Bai, Jirong Yu, Mulugeta Petros, Bo Trieu, Paul Petzar, and Upendra N. Singh  »View Author Affiliations


Optics Letters, Vol. 37, Issue 13, pp. 2562-2564 (2012)
http://dx.doi.org/10.1364/OL.37.002562


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Abstract

A fully conductively cooled and diode-pumped linear Ho:Tm:LuLiF laser oscillator can generate more than 1 J normal mode pulses at a 10 Hz pulse repetition rate where heat pipes are used for cooling pump diodes and laser crystal. As an amplifier, it can amplify the 80mJ/180ns pulses into 400 mJ pulses before the appearance of amplified spontaneous emission (ASE). The ASE threshold is about 5.6 J with a 40 mm long and side-polished laser crystal. For a 5 mJ input pulse and 5.6 J pump pulse, the double-pass gain exceeds 22.5. If the lateral surface of the laser crystal is fine ground, the ASE threshold can rise to higher than 8 J, but the efficiency will be lower due to large pump diffusion.

© 2012 Optical Society of America

OCIS Codes
(140.3280) Lasers and laser optics : Laser amplifiers
(140.3480) Lasers and laser optics : Lasers, diode-pumped

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: March 1, 2012
Revised Manuscript: April 25, 2012
Manuscript Accepted: May 3, 2012
Published: June 21, 2012

Citation
Yingxin Bai, Jirong Yu, Mulugeta Petros, Bo Trieu, Paul Petzar, and Upendra N. Singh, "Fully conductively cooled, diode-pumped Ho:Tm:LuLiF4 laser oscillator/amplifier," Opt. Lett. 37, 2562-2564 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-13-2562

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