Dual wavelength visible upconversion laser

Laser operation has been obtained at 551 and 671 nm by pumping 5% Er:YLiF4 at 791 nm. Time dependence studies of the emission show that the excitation process has a component related to cooperative energy transfer, and a component related to stepwise multiple photon absorption. Self-Q-switched opera...

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Bibliographic Details
Published in:Applied physics letters 1989-06, Vol.54 (23), p.2301-2302
Main Author: MCFARLANE, R. A
Format: Article
Language:English
Subjects:
Doped-insulator lasers and other solid state lasers
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Lasers
Optics
Physics
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Summary:Laser operation has been obtained at 551 and 671 nm by pumping 5% Er:YLiF4 at 791 nm. Time dependence studies of the emission show that the excitation process has a component related to cooperative energy transfer, and a component related to stepwise multiple photon absorption. Self-Q-switched operation at 551 nm is seen to impart a time dependence to an otherwise cw output at 671 nm.
ISSN:0003-6951
1077-3118
DOI:10.1063/1.101108