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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: James C. Wyant
  • Vol. 47, Iss. 20 — Jul. 10, 2008
  • pp: 3646–3650

Development of the 2.8 μ m emission doubly shifted Raman laser using stimulated Brillouin scattering in a cascaded cavity

Young Ho Park, Dong Won Lee, Hong Jin Kong, and Yeong Sik Kim  »View Author Affiliations


Applied Optics, Vol. 47, Issue 20, pp. 3646-3650 (2008)
http://dx.doi.org/10.1364/AO.47.003646


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Abstract

A doubly shifted Raman laser using CH 4 gas has been developed for 2.8 μm generation, pumped by a Nd∶YAG laser with 65.5 mJ at 17 ns . A dichroically coated meniscus-type lens is modified to utilize the backward stimulated Brillouin scattering and backward Stokes beams from a previous laser design [ Appl. Opt. 46, 5516–5521 (2007)]. A maximum output energy of 4.76 mJ at 2.80 μm wavelength has been achieved in the cascaded resonator. A maximum conversion efficiency of 8.9% has been achieved at a CH 4 gas pressure of 600 psi . The obtained spatial beam profile is quite smooth, and its output pulse width is 10 ns .

© 2008 Optical Society of America

OCIS Codes
(140.3550) Lasers and laser optics : Lasers, Raman
(290.5900) Scattering : Scattering, stimulated Brillouin
(290.5910) Scattering : Scattering, stimulated Raman

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: February 28, 2008
Revised Manuscript: June 10, 2008
Manuscript Accepted: June 10, 2008
Published: July 9, 2008

Citation
Young Ho Park, Dong Won Lee, Hong Jin Kong, and Yeong Sik Kim, "Development of the 2.8 μm emission doubly shifted Raman laser using stimulated Brillouin scattering in a cascaded cavity," Appl. Opt. 47, 3646-3650 (2008)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-47-20-3646

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