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9 March 2023 MW-class femtosecond Er-doped tapered fiber amplifier
Geoffroy Granger, Romain Dauliat, Benoît Debord, Yann Leventoux, Idris Tiliouine, Baptiste Leconte, Anka Schwuchow, Katrin Wondraczek, Fetah Benabid, Frédéric Gérôme, Raphael Jamier, Philippe Roy, Sebastien Fevrier
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Proceedings Volume 12400, Fiber Lasers XX: Technology and Systems; 124001B (2023) https://doi.org/10.1117/12.2650064
Event: SPIE LASE, 2023, San Francisco, California, United States
Abstract
Many applications such as nonlinear microscopy and strong field optoelectonics require high-energy (> 100 nJ) ultrashort (< 100 fs) pulses above 1.55 µm out of a singlemode fiber. Here, we report on high-energy amplification in tapered Er-doped fiber fabricated by the powder technique. The system based on direct amplification is free from stretcher and compressor units. We generate 90 fs MW-class pulses at 1600 nm by amplification and management of nonlinear effects in the tapered fiber. Despite the output 100 µm core diameter, the emitted beam is near-diffraction limited.
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Geoffroy Granger, Romain Dauliat, Benoît Debord, Yann Leventoux, Idris Tiliouine, Baptiste Leconte, Anka Schwuchow, Katrin Wondraczek, Fetah Benabid, Frédéric Gérôme, Raphael Jamier, Philippe Roy, and Sebastien Fevrier "MW-class femtosecond Er-doped tapered fiber amplifier", Proc. SPIE 12400, Fiber Lasers XX: Technology and Systems, 124001B (9 March 2023); https://doi.org/10.1117/12.2650064
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KEYWORDS
Femtosecond phenomena
Fiber amplifiers
Fabrication
Amplifiers
Diffraction
Microscopy
Ultrafast phenomena
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