Wide-aperture multichannel Shack-Hartmann sensor for multispectral wavefront measurements

Ilya Galaktionov; Alexander Nikitin; Julia Sheldakova; Vladimir Toporovsky; Alexis Kudryashov

doi:10.1117/12.3014349

12 March 2024 Wide-aperture multichannel Shack-Hartmann sensor for multispectral wavefront measurements

Ilya Galaktionov, Alexander Nikitin, Julia Sheldakova, Vladimir Toporovsky, Alexis Kudryashov

Author Affiliations +

Proceedings Volume 12871, Laser Resonators, Microresonators, and Beam Control XXVI; 128710L (2024) https://doi.org/10.1117/12.3014349
Event: SPIE LASE, 2024, San Francisco, California, United States

Conference Poster

Abstract

A multispectral wavefront sensor can be used to perform a single-shot spatio-temporal characterization of a laser pulse. In order to measure the spatio-spectral electric field, a laser pulse can be spectrally modulated, separated and measured by a wavefront sensor. In order to simplify the experimental setup and hardware control, the single wavefront sensor can be used. In this research we discuss the development of the multi-channel wide-aperture high-resolution Shack-Hartmann sensor for multispectral wavefront sensing. The whole sensor area of 15×15 mm was divided into four logical apertures, each for separate laser beam. The development and calibration procedure are described. The wavefront sensor control software is developed and tested.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Ilya Galaktionov, Alexander Nikitin, Julia Sheldakova, Vladimir Toporovsky, and Alexis Kudryashov "Wide-aperture multichannel Shack-Hartmann sensor for multispectral wavefront measurements", Proc. SPIE 12871, Laser Resonators, Microresonators, and Beam Control XXVI, 128710L (12 March 2024); https://doi.org/10.1117/12.3014349

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