Development of a tilted shearing interferometer wavefront sensor

Denis W. Oesch; Mike S. Sexauer; Kelsey L. Miller

doi:10.1117/12.2676409

3 October 2023 Development of a tilted shearing interferometer wavefront sensor

Denis W. Oesch, Mike S. Sexauer, Kelsey L. Miller

Proceedings Volume 12693, Unconventional Imaging, Sensing, and Adaptive Optics 2023; 126930B (2023) https://doi.org/10.1117/12.2676409
Event: SPIE Optical Engineering + Applications, 2023, San Diego, California, United States

Abstract

The tilted shearing interferometer (tSI) wavefront sensor (WFS) is being developed to expand characterization capabilities for optical propagation experiments at the Air Force Research Laboratory's Environmental Laser Test Facility (ELTF). The instrument utilizes the phase retrieval technique of a digital holographic WFS with laterally sheared beams rather than a local oscillator reference. This WFS provides gradients similar to a Shack-Hartmann WFS, allowing it to benefit from all of the processing developed for the Small Mobile Atmospheric Sensing Hartmann (SMASH). At the same time, the interferometric nature of the wave front sensor provides access to additional information, i.e. branch cuts. Initial development of the tilted shearing interferometer in the Air Force Research Laboratory's Beam Control Lab (BCL) is presented.

Conference Presentation

(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Denis W. Oesch, Mike S. Sexauer, and Kelsey L. Miller "Development of a tilted shearing interferometer wavefront sensor", Proc. SPIE 12693, Unconventional Imaging, Sensing, and Adaptive Optics 2023, 126930B (3 October 2023); https://doi.org/10.1117/12.2676409

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