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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics


  • Editor: Gregory W. Faris
  • Vol. 4, Iss. 2 — Feb. 10, 2009

Dynamics of a flashlamp pumped 2.70 μ m emission Cr:Er:YSGG laser with an infrared-quartz FTIR shutter

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

JOSA B, Vol. 25, Issue 12, pp. 2123-2129 (2008)

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A flashlamp pumped 2.70 μ m Cr:Er:yttrium scandium gallium garnet (YSGG) laser in a simple Fabry–Perot-type resonator has been developed. The emission wavelength of 2.70 μ m at the laser is easily selected by a specially designed resonator with a dichroic coated mirror. Maximum output energy of 88 mJ with a slope efficiency of 0.167% has been achieved in the free-running regime. In the Q-switching regime using an IR-quartz shutter, a Q-switched pulse of 80 ns , single-pulse energy of 30 mJ , and a slope efficiency of 0.064% have been achieved in TEM 00 mode. Good agreement between a proposed theoretical model and the experimental results is obtained. The optimal output on the 2.70 μ m emission Cr:Er:YSGG lasers is estimated by a theoretical simulation.

© 2008 Optical Society of America

OCIS Codes
(140.3500) Lasers and laser optics : Lasers, erbium
(140.3540) Lasers and laser optics : Lasers, Q-switched
(120.4880) Instrumentation, measurement, and metrology : Optomechanics

ToC Category:
Lasers and Laser Optics

Original Manuscript: August 11, 2008
Revised Manuscript: October 6, 2008
Manuscript Accepted: October 12, 2008
Published: November 26, 2008

Virtual Issues
Vol. 4, Iss. 2 Virtual Journal for Biomedical Optics

Young Ho Park, Dong Won Lee, Hong Jin Kong, and Yeong Sik Kim, "Dynamics of a flashlamp pumped 2.70 μm emission Cr:Er:YSGG laser with an infrared-quartz FTIR shutter," J. Opt. Soc. Am. B 25, 2123-2129 (2008)

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