Abstract

Laser output power approaching 0.5 W cw has been obtained at 551 nm by using upconversion pumping of YLiF₄:Er 5%. A power slope efficiency of 14% has been determined, and the output coupling for the available pump power has been optimized at 797 nm.

© 1991 Optical Society of America

Diode-pumped upconversion laser with 100-mW output power

R. R. Stephens and R. A. McFarlane
Opt. Lett. 18(1) 34-36 (1993)

Green Er³⁺:YLiF₄ upconversion laser at 551 nm with Yb³⁺ codoping: a novel pumping scheme

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Visible cooperative upconversion laser in Er:LiYF₄

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Continuous-wave mode-locked visible upconversion laser

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