@inproceedings{e4a48bba8f804f8ca34ca5db594ffe34,
title = "Compact deformable mirror driver electronics for risk tolerant astrophysics missions",
abstract = "Deformable mirrors (DMs) are a critical enabling technology for many astrophysics mission concepts currently in development. Unfortunately, generating the control signals required by DMs is difficult, and historically there have been few options for controlling a DM on a spacecraft. In this work, electronics suitable for controlling a 952 actuator MEMS DM have been developed and their performance has been characterized. The driver electronics deliver 16 bits of resolution with a least significant bit increment of 2.75 milliVolts and RMS electronic noise of less than 1.2 milliVolts over the range of 0 to 170 Volts. These electronics have been built to be compatible with the needs of missions that are cost-constrained and risk-tolerant. To that end, the driver electronics use widely available parts with a total expected unit cost of approximately $30,000. Although the driver electronics do not use radiation hardened parts, testing data indicates a 2 year lifetime in a TESS-like orbit with 90 percent confidence when shielded by 6 millimeters of aluminum.",
keywords = "MEMS, adaptive optics, circuit, deformable mirror, electronics",
author = "Christian Haughwout and {Van Gorkom}, Kyle and Stephen Kaye and Kerri Cahoy and Daewook Kim and Douglas, {Ewan S.}",
note = "Publisher Copyright: {\textcopyright} 2023 SPIE.; Astronomical Optics: Design, Manufacture, and Test of Space and Ground Systems IV 2023 ; Conference date: 21-08-2023 Through 24-08-2023",
year = "2023",
doi = "10.1117/12.2677714",
language = "English (US)",
series = "Proceedings of SPIE - The International Society for Optical Engineering",
publisher = "SPIE",
editor = "Hull, {Tony B.} and Daewook Kim and Pascal Hallibert",
booktitle = "Astronomical Optics",
}