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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 16, Iss. 19 — Sep. 15, 2008
  • pp: 14668–14674

Continuous-wave and Q-switched operation of a resonantly pumped Ho:YAlO3 laser

Bao-Quan Yao, Xiao-Ming Duan, Liang-Liang Zheng, You-Lun Ju, Yue-zhu Wang, Guang-Jun Zhao, and Qin Dong  »View Author Affiliations


Optics Express, Vol. 16, Issue 19, pp. 14668-14674 (2008)
http://dx.doi.org/10.1364/OE.16.014668


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Abstract

We demonstrated continuous-wave (CW) and Q-switched operation of a room-temperature Ho:YAlO3 laser that is resonantly end-pumped by a diode-pumped Tm:YLF laser at 1.91 µm. The CW Ho:YAlO3 laser generated 5.5 W of linearly polarized (E‖c) output at 2118 nm with beam quality factor of M2≈1.1 for an incident pump power of 13.8 W, corresponding to optical-to-optical conversion efficiency of 40%. Up to 1-mJ energy per pulse at pulse repetition frequency (PRF) of 5 kHz, and the maximum average power of 5.3-W with FWHM pulse duration of 30.5 ns at 20 kHz were achieved in Q-switched mode.

© 2008 Optical Society of America

OCIS Codes
(140.3480) Lasers and laser optics : Lasers, diode-pumped
(140.3580) Lasers and laser optics : Lasers, solid-state

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: July 3, 2008
Revised Manuscript: August 23, 2008
Manuscript Accepted: August 24, 2008
Published: September 3, 2008

Citation
Bao-Quan Yao, Xiao-Ming Duan, Liang-Liang Zheng, You-Lun Ju, Yue-zhu Wang, Guang-Jun Zhao, and Qin Dong, "Continuous-wave and Q-switched operation of a resonantly pumped Ho:YAlO3 laser," Opt. Express 16, 14668-14674 (2008)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-16-19-14668


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