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High-contrast spectroscopy testbed for Segmented Telescopes: instrument overview and development progress
Author(s): 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; M. A. Millar-Blanchaer
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Paper 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.

Paper Details

Date Published: 9 July 2018
PDF: 8 pages
Proc. SPIE 10702, Ground-based and Airborne Instrumentation for Astronomy VII, 107024E (9 July 2018); doi: 10.1117/12.2314325
Show Author Affiliations
N. Jovanovic, California Institute of Technology (United States)
G. Ruane, California Institute of Technology (United States)
D. Echeverri, California Institute of Technology (United States)
J. R. Delorme, California Institute of Technology (United States)
D. Mawet, California Institute of Technology (United States)
Jet Propulsion Lab. (United States)
J. Fucik, California Institute of Technology (United States)
J. K. Wallace, Jet Propulsion Lab. (United States)
C. Coker, Jet Propulsion Lab. (United States)
A. Delacroix, California Institute of Technology (United States)
N. Levraud, California Institute of Technology (United States)
J. D. Llop Sayson, California Institute of Technology (United States)
J. Wang, California Institute of Technology (United States)
R. Riddle, California Institute of Technology (United States)
M. A. Millar-Blanchaer, Jet Propulsion Lab. (United States)


Published in SPIE Proceedings Vol. 10702:
Ground-based and Airborne Instrumentation for Astronomy VII
Christopher J. Evans; Luc Simard; Hideki Takami, Editor(s)

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