LED-pumped Cr:LiSAF laser system operating at 100â
Hz based on a multipass amplifier.
Opt Lett
; 47(14): 3543-3546, 2022 Jul 15.
Article
en En
| MEDLINE
| ID: mdl-35838723
ABSTRACT
The LED-pumping technology is used for the first time, to the best of our knowledge, to develop a complete master oscillator power amplifier (MOPA) system including a multipass amplifier. A pumping head using an original slab architecture is developed integrating a CrLiSAF slab pumped by 2112 blue LEDs via a CeYAG luminescent concentrator. The slab configuration enables the reaching of a large number of passes-up to 22-together with access to efficient cooling, allowing for a repetition rate scale up. For 22 passes, the amplifier delivers pulses with energy up to 2.4 mJ at 10-Hz repetition rate with a gain of 4.36 at 825â
nm. A complete study of the MOPA is described, concluding in nearly constant performances versus the repetition rate, up to 100â
Hz.
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Opt Lett
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2022
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Article