Presentation
13 December 2020 The first multi-baseline and multi-band, photonic nuller at the Subaru telescope: the GLINT nulling interferometer
Author Affiliations +
Abstract
With thousands of confirmed exoplanets, the era of discovery is giving way to that of characterization. Direct imaging is crucial, but extremely difficult due to high star-to-planet contrasts and high angular resolutions. Nulling interferometry, which suppresses contaminating starlight via destructive interference, aims to meet this challenge. A pathfinder of this technique is the GLINT nuller: a 6-baseline, spectrally dispersed pupil-remapping interferometer deployed at the Subaru telescope, in which a single photonic chip performs all the critical optical processes. We present the instrument, novel data processing based on self-calibrating methods, laboratory characterization and the latest on-sky results.
Conference Presentation
© (2020) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Marc-Antoine Martinod, Barnaby Norris, Tiphaine Lagadec, Nemanja Jovanovic, Nick Cvetojevic, Simon Gross, Alexander Arriola, Thomas Gretzinger, Michael J. Withford, Olivier Guyon, Julien Lozi, Jon S. Lawrence, Peter G. Tuthill, and Sergio Leon-Saval "The first multi-baseline and multi-band, photonic nuller at the Subaru telescope: the GLINT nulling interferometer", Proc. SPIE 11446, Optical and Infrared Interferometry and Imaging VII, 114460G (13 December 2020); https://doi.org/10.1117/12.2560857
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KEYWORDS
Nulling interferometry

Telescopes

Interferometers

Adaptive optics

Atmospheric optics

Exoplanets

Optical instrument design

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