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4 March 2022 250 fs, 150 mW laser with tunable pulse repetition rate in GHz-regime
Roger Wüst, Benjamin Rudin, Florian Emaury, Bojan Resan
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Proceedings Volume PC11980, Solid State Lasers XXXI: Technology and Devices; PC1198007 (2022) https://doi.org/10.1117/12.2608486
Event: SPIE LASE, 2022, San Francisco, California, United States
Abstract
We report a compact ultrafast solid-state laser source with a pulse repetition rate tunable in the range of 0.5 – 1.3 GHz. The optical cavity design allows a user to vary the repetition rate only by moving the mirrors. The Yb:KYW crystal-based laser emits 250 fs pulses at a central wavelength of 1040nm and the SESAM modelocking enables self-starting. An average power up to 150 mW is achieved using a stabilized single mode pump source at 981 nm, emitting up to 800 mW. In continuous wave mode, up to 270 mW were measured with an optical-to-optical efficiency of 33%.
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Roger Wüst, Benjamin Rudin, Florian Emaury, and Bojan Resan "250 fs, 150 mW laser with tunable pulse repetition rate in GHz-regime", Proc. SPIE PC11980, Solid State Lasers XXXI: Technology and Devices, PC1198007 (4 March 2022); https://doi.org/10.1117/12.2608486
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KEYWORDS
Pulsed laser operation
Tunable lasers
Mode locking
Optical resonators
Optical testing
Q switching
Resonators
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