We propose a new pumping scheme which allows 94% absorption efficiency in Yb:YAG 15 at.% with 200 /spl mu/m thickness with uniform pump distribution. This configuration can be scaled up and it is very attractive especially for high power quasi-4-levels lasers where the reabsorption losses are important. First results, which was obtained by using three optical fiber delivery JOLD-100-CAXF-15A (JenaOptik) diode lasers 100 W output power, shows good agreement with the numerical model of absorbed power distribution and thermal field.
Highly efficient new pumping configuration for microchip solid state laser
2005-01-01
859466 byte
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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