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Scalable photonic-based nulling interferometry with the dispersed multi-baseline GLINT instrument by Martinod, Marc-Antoine (author);Norris, Barnaby (author);Tuthill, Peter (author);Lagadec, Tiphaine (author);Jovanovic, Nemanja (author);Cvetojevic, Nick (author);Gross, Simon (author);Arriola, Alexander (author);Gretzinger, Thomas (author);Withford, Michael J. (author);Guyon, Olivier (author);Lozi, Julien (author);Vievard, Sébastien (author);Deo, Vincent (author);Lawrence, Jon S. (author);Leon-Saval, Sergio (author) is a Biochemistry, Genetics and Molecular Biology article available to read on EtoBox.

What is Scalable photonic-based nulling interferometry with the dispersed multi-baseline GLINT instrument about?

Characterisation of exoplanets is key to understanding their formation, composition and potential for life. Nulling interferometry, combined with extreme adaptive optics, is among the most promising techniques to advance this goal. We present an integrated-optic nuller whose design is directly scalable to future science-ready interferometric nullers: the Guided-Light Interferometric Nulling Technology, deployed at the Subaru Telescope. It combines four beams and delivers spatial and spectral information. We demonstrate the capability of the instrument, achieving a null depth better than 10^−3^ with a precision of 10^−4^ for all baselines, in laboratory conditions with simulated seeing applied. On sky, the instrument delivered angular diameter measurements of stars that were 2.5 times smaller than the diffraction limit of the telescope. These successes pave the way for future design enhancements: scaling to more baselines, improved photonic component and handling low-order atmospheric aberration within the instrument, all of which will contribute to enhance sensitivity and precision.

Who reads Scalable photonic-based nulling interferometry with the dispersed multi-baseline GLINT instrument?

It is typically read by researchers, students, and practitioners in Biochemistry, Genetics and Molecular Biology.

Author
Martinod, Marc-Antoine (author);Norris, Barnaby (author);Tuthill, Peter (author);Lagadec, Tiphaine (author);Jovanovic, Nemanja (author);Cvetojevic, Nick (author);Gross, Simon (author);Arriola, Alexander (author);Gretzinger, Thomas (author);Withford, Michael J. (author);Guyon, Olivier (author);Lozi, Julien (author);Vievard, Sébastien (author);Deo, Vincent (author);Lawrence, Jon S. (author);Leon-Saval, Sergio (author)
Publisher
Springer Science and Business Media LLC
Published
2021
Language
EN
Field
Biochemistry, Genetics and Molecular Biology (Life Sciences)

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