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Proceedings Paper

Mathematical model of diode-pumped solid state dye lasers
Author(s): Jeffery A. Cameron; William A. Friday
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Paper Abstract

To date, typical high-power dye laser systems use flash lamps as the optical pump source. No more than 10% of the flash lamp's optical energy can be absorbed by the singlet ground state of current laser dyes. Most dyes have a conversion efficiency of 30%, so system efficiencies are typically a few percent. To overcome this problem, an efficient optical pump source that matches the ground state absorption of the dye is required. Light Emitting Diode (LED) technologies are rapidly maturing which emit in the yellow, green, and to a lesser extent into the blue of the optical spectrum. Intrinsic efficiencies of 60% for LEDs are now achievable, greatly surpassing flash lamp efficiencies. Some LEDs can emit > 1 Watt of peak power when pulsed by a > 10 nanosecond wide current source. With these increased LED efficiencies, the output of which can be matched to the absorption of laser dyes, it should be possible to achieve overall system efficiencies greater than 10%. A mathematical model is constructed in order to estimate the performance of this type of system and to guide the development of new high efficiency laser dyes and matched LED pump sources.

Paper Details

Date Published: 14 April 2000
PDF: 11 pages
Proc. SPIE 3929, Solid State Lasers IX, (14 April 2000); doi: 10.1117/12.382789
Show Author Affiliations
Jeffery A. Cameron, Tin-Mar Inc. (United States)
William A. Friday, U.S. Army Aviation and Missile Command (United States)


Published in SPIE Proceedings Vol. 3929:
Solid State Lasers IX
Richard Scheps, Editor(s)

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