Role of the stimulated-emission rate in the photostability of solid-state dye lasers
Applied Optics, Vol. 44, Issue 36, pp. 7814-7822 (2005)
http://dx.doi.org/10.1364/AO.44.007814
Acrobat PDF (632 KB)
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
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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