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Advancements in Ultrafast Multi-100-W Average-Power Thin-Disk Lasers

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Mode-locked thin-disk lasers have resolved several challenges and are expected to be well suited to a range of scientific and materials processing applications.

CHRIS R. PHILLIPS AND URSULA KELLER, ETH ZÜRICH

In both scientific research and in industrial materials processing, high-average-power diode-pumped solid-state lasers have become an indispensable tool. A crucial aspect of these lasers is the need for effective heat removal without introducing thermo-optic distortions. One way to address this challenge is by shaping the laser gain medium as a very thin disk, as demonstrated by A. Giesen and colleagues1. Along with supporting power scaling by using a larger beam on the disk, this approach is advantageous for generating ultrashort pulses with high peak power. Since the laser beam only passes...Read full article

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