Simple few-shot method for spectrally resolving the wavefront of an ultrashort laser pulse - Institut Polytechnique de Paris Access content directly
Journal Articles Optics Letters Year : 2024

Simple few-shot method for spectrally resolving the wavefront of an ultrashort laser pulse

Abstract

We present a novel, to the best of our knowledge, and straightforward approach for the spatio-spectral characterization of ultrashort pulses. This minimally intrusive method relies on placing a mask with specially arranged pinholes in the beam path before the focusing optic and retrieving the spectrally resolved laser wavefront from the speckle pattern produced at focus. We test the efficacy of this new method by accurately retrieving chromatic aberrations, such as pulse-front tilt (PFT), pulse-front curvature (PFC), and higher-order aberrations introduced by a spherical lens. The simplicity and scalability of this method, combined with its compatibility with single-shot operation, make it a strong complement to existing tools for high-intensity laser facilities.
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hal-04602907 , version 1 (06-06-2024)

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Slava Smartsev, Aaron Liberman, Igor A Andriyash, Antoine Cavagna, Alessandro Flacco, et al.. Simple few-shot method for spectrally resolving the wavefront of an ultrashort laser pulse. Optics Letters, 2024, 49 (8), pp.1900. ⟨10.1364/OL.502000⟩. ⟨hal-04602907⟩
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