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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 48, Iss. 1 — Jan. 1, 2009
  • pp: 7–10

High average power 1.5 μm eye-safe Raman shifting in BaWO 4 crystals

Nan Zong, Qian-jin Cui, Qing-lei Ma, Xiao-fu Zhang, Yuan-fu Lu, Cheng-ming Li, Da-fu Cui, Zu-yan Xu, Huai-jin Zhang, and Ji-yang Wang  »View Author Affiliations


Applied Optics, Vol. 48, Issue 1, pp. 7-10 (2009)
http://dx.doi.org/10.1364/AO.48.000007


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Abstract

A nanosecond 1.3 μm Nd:YAG laser-pumped external cavity eye-safe Raman laser based on BaWO 4 crystal is efficiently demonstrated. The average power of 1.5 μm was 0.60 W operating at a pulse repetition rate of 1.7 kHz and an incident pump power of 4.14 W . Conversion efficiency of 14.5% and a high slope efficiency of 54.5% have been achieved. Pulse shortening was obviously observed. The pulse duration of the first Stokes was about 40 ns , much shorter than the fundamental pulse with a duration of 220 ns .

© 2008 Optical Society of America

OCIS Codes
(140.3550) Lasers and laser optics : Lasers, Raman
(140.3580) Lasers and laser optics : Lasers, solid-state
(190.5650) Nonlinear optics : Raman effect
(230.5750) Optical devices : Resonators

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: September 18, 2008
Revised Manuscript: November 14, 2008
Manuscript Accepted: November 14, 2008
Published: December 15, 2008

Citation
Nan Zong, Qian-jin Cui, Qing-lei Ma, Xiao-fu Zhang, Yuan-fu Lu, Cheng-ming Li, Da-fu Cui, Zu-yan Xu, Huai-jin Zhang, and Ji-yang Wang, "High average power 1.5 μm eye-safe Raman shifting in BaWO4 crystals," Appl. Opt. 48, 7-10 (2009)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-48-1-7

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