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High efficiency 2 micrometer laser utilizing wing-pumped Tm.sup.3+ and a laser diode array end-pumping architecture

Beach, Raymond J

United States 1997

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Título:
High efficiency 2 micrometer laser utilizing wing-pumped Tm.sup.3+ and a laser diode array end-pumping architecture
Autor: Beach, Raymond J
Assuntos: 2-for-1 ; absorption ; absorption band ; allows ; applicable ; approach ; architecture ; array ; arrays ; average ; average power ; band ; concentrations ; cw ; diode ; diode array ; diode arrays ; distributed ; doped ; efficiency ; end-pump ; end-pumping ; free-laser ; generated ; generates ; laser ; laser diode ; laser generates ; laser operation ; laser radiation ; laser rod ; laser utilizing ; management ; medium ; micrometer ; near ; nm ; operation ; power ; power generated ; power operation ; powers ; practical ; pumped ; pumped solid ; pumping ; q-switched ; quantum ; quantum efficiency ; radiation ; rep-pulsed ; results ; rod ; slab ; solid ; thermal ; thermal management ; thermal power ; tm ; utilizing ; volume ; wing-pumped
Notas: W-7405-ENG-48
Descrição: Wing pumping a Tm.sup.3+ doped, end pumped solid state laser generates 2 .mu.m laser radiation at high average powers with high efficiency. Using laser diode arrays to end-pump the laser rod or slab in the wing of the Tm.sup.3+ absorption band near 785 nm results in 2-for-1 quantum efficiency in Tm.sup.3+ because high Tm.sup.3+ concentrations can be used. Wing pumping allows the thermal power generated in the rod or slab to be distributed over a large enough volume to make thermal management practical in the laser gain medium even at high average power operation. The approach is applicable to CW, Q-switched, and rep-pulsed free-laser operation.
Editor: United States
Data de criação/publicação: 1997
Idioma: Inglês

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High efficiency 2 micrometer laser utilizing wing-pumped Tm.sup.3+ and a laser diode array end-pumping architecture

Beach, Raymond J

United States 1997

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