Wavefront control experiments with a single mode fiber at the High-Contrast Spectroscopy Testbed for Segmented Telescopes (HCST)

Jorge Llop-Sayson; Nemanja Jovanovic; Grady Morrissey; Daniel Echeverri; Dimitri Mawet

doi:10.1117/12.2562973

13 December 2020 Wavefront control experiments with a single mode fiber at the High-Contrast Spectroscopy Testbed for Segmented Telescopes (HCST)

Jorge Llop-Sayson, Nemanja Jovanovic, Grady Morrissey, Daniel Echeverri, Dimitri Mawet

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Proceedings Volume 11443, Space Telescopes and Instrumentation 2020: Optical, Infrared, and Millimeter Wave; 114432Q (2020) https://doi.org/10.1117/12.2562973
Event: SPIE Astronomical Telescopes + Instrumentation, 2020, Online Only

Abstract

Achieving high levels of contrast over broad bandwidths with segmented aperture telescopes is a key requirement to maximize the scientific yield for future exoplanet imaging missions and ground-based extremely large telescopes. The High-Contrast Spectroscopy Testbed for Segmented Telescopes (HCST) in the Exoplanet Technology Laboratory (ET Lab) at Caltech is designed to proof test new technologies aimed at tackling some of the most pressing and challenging goals of exoplanet science, namely the imaging and spectroscopic characterization of small planets across a wide range of stellar host types, including temperature Earth-size planets. Here we report on the status of a key milestone: Demonstration of 20% bandwidth nulling experiments using single mode fibers wavefront control.

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Jorge Llop-Sayson, Nemanja Jovanovic, Grady Morrissey, Daniel Echeverri, and Dimitri Mawet "Wavefront control experiments with a single mode fiber at the High-Contrast Spectroscopy Testbed for Segmented Telescopes (HCST)", Proc. SPIE 11443, Space Telescopes and Instrumentation 2020: Optical, Infrared, and Millimeter Wave, 114432Q (13 December 2020); https://doi.org/10.1117/12.2562973

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