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9 July 2018 High-contrast spectroscopy testbed for Segmented Telescopes: instrument overview and development progress
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Abstract
The High Contrast spectroscopy testbed for Segmented Telescopes (HCST) is being developed at Caltech. It aims at addressing the technology gap for future exoplanet imagers and providing the U.S. community with an academic facility to test components and techniques for high contrast imaging, focusing on segmented apertures proposed for future ground-based (TMT, ELT) and space-based telescopes (HabEx, LUVOIR). We present an overview of the design of the instrument and a detailed look at the testbed build and initial alignment. We offer insights into stumbling blocks encountered along the path and show that the testbed is now operational and open for business. We aim to use the testbed in the future for testing of high contrast imaging techniques and technologies with amongst with thing, a TMT-like pupil.
© (2018) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
N. Jovanovic, G. Ruane, D. Echeverri, J. R. Delorme, D. Mawet, J. Fucik, J. K. Wallace, C. Coker, A. Delacroix, N. Levraud, J. D. Llop Sayson, J. Wang, R. Riddle, and M. A. Millar-Blanchaer "High-contrast spectroscopy testbed for Segmented Telescopes: instrument overview and development progress ", Proc. SPIE 10702, Ground-based and Airborne Instrumentation for Astronomy VII, 107024E (9 July 2018); doi: 10.1117/12.2314325; https://doi.org/10.1117/12.2314325
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