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Applied Optics

Applied Optics


  • Vol. 37, Iss. 21 — Jul. 20, 1998
  • pp: 4867–4870

Suppression of amplified spontaneous emission from a four-pass dye laser amplifier

Jae Won Hahn and Yong Shim Yoo  »View Author Affiliations

Applied Optics, Vol. 37, Issue 21, pp. 4867-4870 (1998)

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We demonstrate a new design for a four-pass dye laser amplifier that can be used to reduce amplified spontaneous emission (ASE) in the amplifier output beam. Compared with the results obtained from normal operation of the four-pass dye laser amplifier without a frequency-selective device, by using a diffraction grating in the amplifier we can reduce the ASE ratio by a factor in excess of 10 and increase output energy by ∼4%. The obtained ASE ratio of the four-pass amplifier system is <1.5%.

© 1998 Optical Society of America

OCIS Codes
(140.0140) Lasers and laser optics : Lasers and laser optics
(140.2050) Lasers and laser optics : Dye lasers
(300.6320) Spectroscopy : Spectroscopy, high-resolution
(300.6360) Spectroscopy : Spectroscopy, laser

Original Manuscript: October 2, 1997
Revised Manuscript: February 4, 1998
Published: July 20, 1998

Jae Won Hahn and Yong Shim Yoo, "Suppression of amplified spontaneous emission from a four-pass dye laser amplifier," Appl. Opt. 37, 4867-4870 (1998)

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  1. G. J. Rosasco, L. A. Rahn, W. S. Hurst, R. E. Parlmer, J. P. Looney, J. W. Hahn, “High resolution inverse Raman spectroscopy of the CO Q-branch,” in Pulse Single-Frequency Lasers: Technology and Applications, W. K. Bischel, L. A. Rahn, eds., Proc. SPIE912, 171–183 (1988).
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