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13 March 2024 Broadband amplification of crossed laser pulses mediated by plasma wakefields
Robin Wang, Steve Chappell, Sam Hornett, Alex Spanellis
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Proceedings Volume PC12875, Frontiers in Ultrafast Optics: Biomedical, Scientific, and Industrial Applications XXIV; PC1287507 (2024) https://doi.org/10.1117/12.3001661
Event: SPIE LASE, 2024, San Francisco, California, United States
Abstract
We experimentally observe the broadband amplification of a seed laser pulse by at least 70x over its 500-1000nm range. The amplification was achieved by crossing a few-cycle seed pulse with a short 800 nm pump pulse at a near-90 degree angle, deviating from conventional plasma-based Raman amplifiers which employ near-parallel configurations. The amplification phenomenon occurred when the pump and seed pulses were crossed within an supersonic gas jet target.
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Robin Wang, Steve Chappell, Sam Hornett, and Alex Spanellis "Broadband amplification of crossed laser pulses mediated by plasma wakefields", Proc. SPIE PC12875, Frontiers in Ultrafast Optics: Biomedical, Scientific, and Industrial Applications XXIV, PC1287507 (13 March 2024); https://doi.org/10.1117/12.3001661
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KEYWORDS
Plasma
Pulsed laser operation
Simulations
Compressed sensing
Hyperspectral imaging
Imaging spectroscopy
Raman amplifiers
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