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1 April 2022 Spectrally resolved wavefront sensor for electric field analysis of broadband femtosecond lasers
Guillaume Beaugrand, Xavier Levecq, Guillaume Dovillaire, Jérôme Legrand
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Proceedings Volume PC11987, Laser Resonators, Microresonators, and Beam Control XXIV; PC119870O (2022) https://doi.org/10.1117/12.2608789
Event: SPIE LASE, 2022, San Francisco, California, United States
Abstract
The constant increase of peak energy on high-intensity lasers necessitates the combined control of the laser pulse (with pulse shapers for temporal characterization) and the wavefront (with deformable mirrors for spatial characterization). Focusing the beam on the target creates space time couplings that were typically neglected until now. We have developed a solution that provides direct, spectrally-resolved wavefront measurements to characterize and quickly diminish those couplings. We will present concrete results on beamlines, highlighting the interest of a high spectral and spatial resolution system. Its simplicity of use will be demonstrated using the quick alignment of compressor gratings as an example.
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Guillaume Beaugrand, Xavier Levecq, Guillaume Dovillaire, and Jérôme Legrand "Spectrally resolved wavefront sensor for electric field analysis of broadband femtosecond lasers", Proc. SPIE PC11987, Laser Resonators, Microresonators, and Beam Control XXIV, PC119870O (1 April 2022); https://doi.org/10.1117/12.2608789
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KEYWORDS
Femtosecond phenomena
Wavefront sensors
Fusion energy
Pulsed laser operation
Ultrafast phenomena
Wavefronts
Particles
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