@inproceedings{72f9d7e098c24d4e80ba54e8108132c8,
title = "The space coronagraph optical bench (SCoOB): 2. wavefront sensing and control in a vacuum-compatible coronagraph testbed for spaceborne high-contrast imaging technology",
abstract = "The 2020 Decadal Survey on Astronomy and Astrophysics endorsed space-based high contrast imaging for the detection and characterization of habitable exoplanets as a key priority for the upcoming decade. To advance the maturity of starlight suppression techniques in a space-like environment, we are developing the Space Coronagraph Optical Bench (SCoOB) at the University of Arizona, a new thermal vacuum (TVAC) testbed based on the Coronagraphic Debris Exoplanet Exploring Payload (CDEEP), a SmallSat mission concept for high contrast imaging of circumstellar disks in scattered light. When completed, the testbed will combine a vector vortex coronagraph (VVC) with a Kilo-C microelectromechanical systems (MEMS) deformable mirror from Boston Micromachines Corp (BMC) and a self-coherent camera (SCC) with a goal of raw contrast surpassing 10−8 at visible wavelengths. In this proceedings, we report on our wavefront sensing and control efforts on this testbed in air, including the as-built performance of the optical system and the implementation of algorithms for focal-plane wavefront control and digging dark holes (regions of high contrast in the focal plane) using electric field conjugation (EFC) and related algorithms.",
keywords = "coronagraphy, deformable mirrors, high contrast imaging, wavefront sensing and control",
author = "{Van Gorkom}, Kyle and Douglas, {Ewan S.} and Ashcraft, {Jaren N.} and Sebastiaan Haffert and Daewook Kim and Heejoo Choi and Anche, {Ramya M.} and Males, {Jared R.} and Kian Milani and Kevin Derby and Lori Harrison and Olivier Durney",
note = "Funding Information: Portions of this work were supported by the Arizona Board of Regents Technology Research Initiative Fund (TRIF). S.H.{\textquoteright}s support for this work was provided by NASA through the NASA Hubble Fellowship grant #HST-HF2-51436.001-A awarded by the Space Telescope Science Institute, which is operated by the Association of Universities for Research in Astronomy, Incorporated, under NASA contract NAS5-26555. Publisher Copyright: {\textcopyright} 2022 SPIE.; Space Telescopes and Instrumentation 2022: Optical, Infrared, and Millimeter Wave ; Conference date: 17-07-2022 Through 22-07-2022",
year = "2022",
doi = "10.1117/12.2630704",
language = "English (US)",
series = "Proceedings of SPIE - The International Society for Optical Engineering",
publisher = "SPIE",
editor = "Coyle, {Laura E.} and Shuji Matsuura and Perrin, {Marshall D.}",
booktitle = "Space Telescopes and Instrumentation 2022",
}