Simultaneous piston and tip-tilt measurement of segmented optics with cross-fringe phasing sensor

Seichi Sato; Tadahito Mizutani

doi:10.1117/12.2677173

28 September 2023 Simultaneous piston and tip-tilt measurement of segmented optics with cross-fringe phasing sensor

Seichi Sato, Tadahito Mizutani

Proceedings Volume 12669, Optomechanical Engineering 2023; 126690D (2023) https://doi.org/10.1117/12.2677173
Event: SPIE Optical Engineering + Applications, 2023, San Diego, California, United States

Abstract

We investigated cross-fringe phasing sensor for the piston and tip-tilt correction of multi-aperture optical systems. By careful design of the pupil slit mask pattern, interference fringes generated by aperture segments are multiplexed in a single diffraction pattern and demultiplexed by spatial filtering. Numerical simulation shows that this multiplex-demultiplexing scheme is applicable for measuring high-dynamic range piston error and precise tip-tilt error simultaneously. The feature suggests that this technique is robust and applicable for future satellite missions with a multi-aperture system.

Conference Presentation

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

Citation Download Citation

Seichi Sato and Tadahito Mizutani "Simultaneous piston and tip-tilt measurement of segmented optics with cross-fringe phasing sensor", Proc. SPIE 12669, Optomechanical Engineering 2023, 126690D (28 September 2023); https://doi.org/10.1117/12.2677173

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