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13 March 2024 Low-noise carrier envelope phase stabilization of a Ti:sapphire regenerative amplifier
Ian A. Read
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Proceedings Volume PC12875, Frontiers in Ultrafast Optics: Biomedical, Scientific, and Industrial Applications XXIV; PC128750I (2024) https://doi.org/10.1117/12.3003361
Event: SPIE LASE, 2024, San Francisco, California, United States
Abstract
Stabilizing the electric field in few cycle ultrashort laser pulses is necessary for performing many experiments in the attosecond time regime and for generating High-Harmonics (HHG). Traditional CEP methods are based on measuring the carrier envelope offset frequency and using an external feedback mechanism (pump power, intracavity dispersion, etc.) to stabilize the phase in femtosecond oscillators and amplifiers. In this talk, a novel feed-forward method for stabilizing a <25 fs, mJ-level regenerative amplifier is presented. Using this patented technique, <100 mrad (10-shot average) and <300 mrad single-shot noise performance was demonstrated for more than 150 hours. Details of this novel feed-forward approach will be discussed, and the results compared to other currently available methods.
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Ian A. Read "Low-noise carrier envelope phase stabilization of a Ti:sapphire regenerative amplifier", Proc. SPIE PC12875, Frontiers in Ultrafast Optics: Biomedical, Scientific, and Industrial Applications XXIV, PC128750I (13 March 2024); https://doi.org/10.1117/12.3003361
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KEYWORDS
Laser stabilization
Electric fields
Femtosecond phenomena
Laser frequency
Oscillators
Patents
Ultrafast phenomena
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