Kerr-lens mode-locked thin-disk oscillator with 50% output coupling rate.
Opt Lett
; 44(17): 4227-4230, 2019 Sep 01.
Article
em En
| MEDLINE
| ID: mdl-31465368
ABSTRACT
Several approaches to power scaling of mode-locked thin-disk oscillators exist. One of these approaches is based on the increased gain provided by multiple passes through the thin-disk laser medium. For the first time, to the best of our knowledge, we applied this approach to a Kerr-lens mode-locked thin-disk oscillator. The so obtained additional gain allowed mode-locked operation with up to 50% output coupling rate. This first demonstration is of particular importance for gain media with inherently low-emission cross sections and paves the way to even more powerful Kerr-lens mode-locked thin-disk oscillators. Moreover, the experimental results indicate an increased self-amplitude modulation related to an overall increase in the soft-aperture Kerr-lens effect.
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MEDLINE
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En
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2019
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Article