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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Glenn D. Boreman
  • Vol. 44, Iss. 36 — Dec. 20, 2005
  • pp: 7814–7822

Role of the stimulated-emission rate in the photostability of solid-state dye lasers

Alok Kumar Ray, Sasi Kumar, Narayan Vitthal Mayekar, Sucharita Sinha, Soumitra Kundu, Subrata Chattopadhyay, and Kamalesh Dasgupta  »View Author Affiliations


Applied Optics, Vol. 44, Issue 36, pp. 7814-7822 (2005)
http://dx.doi.org/10.1364/AO.44.007814


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Abstract

The lasing and photostability characteristics of Rhodamine 6G and Pyrromethene 567 dyes dispersed in polymeric host materials have been investigated as a function of the intensities of incident pump and signal beams in a longitudinally pumped dye laser in an oscillator–amplifier configuration. A substantial reduction in the rate of photodegradation was observed under lasing conditions and with increasing signal intensity in a dye amplifier, establishing that the service lives of these materials improve with an increase in the rate of stimulated emission. We observed ∼62% amplifier efficiency at 2 Hz operation and 10% reduction in amplifier efficiency at 10 Hz operation after exposure of 72,000 pulses by use of a Pyrromethene disk.

© 2005 Optical Society of America

OCIS Codes
(140.2050) Lasers and laser optics : Dye lasers
(140.3580) Lasers and laser optics : Lasers, solid-state
(160.3380) Materials : Laser materials

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: May 10, 2005
Manuscript Accepted: June 7, 2005
Published: December 20, 2005

Virtual Issues
Vol. 1, Iss. 1 Virtual Journal for Biomedical Optics

Citation
Alok Kumar Ray, Sasi Kumar, Narayan Vitthal Mayekar, Sucharita Sinha, Soumitra Kundu, Subrata Chattopadhyay, and Kamalesh Dasgupta, "Role of the stimulated-emission rate in the photostability of solid-state dye lasers," Appl. Opt. 44, 7814-7822 (2005)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-44-36-7814


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References

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