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5 October 2023 Development of a multiplex application specific integrated circuit driver for deformable mirrors
Camilo M. Prada, Chris Shelton, Lewis C. Roberts Jr., Alex B. Walter, Yuqian Wu, Li Yao, Xingtao Wu
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Proceedings Volume 12680, Techniques and Instrumentation for Detection of Exoplanets XI; 1268012 (2023) https://doi.org/10.1117/12.2674920
Event: SPIE Optical Engineering + Applications, 2023, San Diego, California, United States
Abstract
Deformable Mirrors (DMs) are at the heart of any adaptive optics system. State-of-the-art, high-actuator count DMs suffer from external heavy and bulky electronics in which electrical connections are made through thousands of wires. To overcome this challenge, we are developing Application Specific Integrated Circuits (ASIC) capable of driving a DM in a single small package in space conditions. This integrated ASIC-DM is ideal for space missions, where it offers significant reduction in mass, power and complexity while maintaining performance compatible with high-contrast imaging of exoplanets. We successfully prototyped, package and tested a 16x16 DM-ASIC array following the Roman Space Telescope mission requirements. The ASIC chip was irradiated to a total ionizing dose equivalent to a six-year mission in L2 orbit and tested at the Roman coronagraph specific temperature range.
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(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.
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Camilo M. Prada, Chris Shelton, Lewis C. Roberts Jr., Alex B. Walter, Yuqian Wu, Li Yao, and Xingtao Wu "Development of a multiplex application specific integrated circuit driver for deformable mirrors", Proc. SPIE 12680, Techniques and Instrumentation for Detection of Exoplanets XI, 1268012 (5 October 2023); https://doi.org/10.1117/12.2674920
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KEYWORDS
Ionizing radiation
Actuators
Design and modelling
Deformable mirrors
Application specific integrated circuits
Space telescopes
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