High Contrast Imaging at the Photon Noise Limit with WFS-based PSF Calibration

Olivier Guyon; Barnaby Norris; Marc Antoine Martinod; Kyohoon Ahn; Vincent Deo; Nour Skaf; Julien Lozi; Sébastien Vievard; Sebastiaan Y. Haffert; Thayne Currie; Jared R. Males; Alison Wong; Peter Tuthill

doi:10.1117/12.2630503

High Contrast Imaging at the Photon Noise Limit with WFS-based PSF Calibration

Olivier Guyon, Barnaby Norris, Marc Antoine Martinod, Kyohoon Ahn, Vincent Deo, Nour Skaf, Julien Lozi, Sébastien Vievard, Sebastiaan Y. Haffert, Thayne Currie, Jared R. Males, Alison Wong, Peter Tuthill

Optical Sciences

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

2 Scopus citations

Abstract

Speckle Noise is the dominant source of error in high contrast imaging with adaptive optics system. We discuss the potential for wavefront sensing telemetry to calibrate speckle noise with sufficient precision and accuracy so that it can be removed in post-processing of science images acquired by high contrast imaging instruments. In such a self-calibrating system, exoplanet detection would be limited by photon noise and be significantly more robust and efficient than in current systems. We show initial laboratory and on-sky tests, demonstrating over short timescale that residual speckle noise is indeed calibrated to an accuracy exceeding readout and photon noise in the high contrast region. We discuss immplications for the design of space and ground high-contrast imaging systems.

Original language	English (US)
Title of host publication	Adaptive Optics Systems VIII
Editors	Laura Schreiber, Dirk Schmidt, Elise Vernet
Publisher	SPIE
ISBN (Electronic)	9781510653511
DOIs	https://doi.org/10.1117/12.2630503
State	Published - 2022
Event	Adaptive Optics Systems VIII 2022 - Montreal, Canada Duration: Jul 17 2022 → Jul 22 2022

Publication series

Name	Proceedings of SPIE - The International Society for Optical Engineering
Volume	12185
ISSN (Print)	0277-786X
ISSN (Electronic)	1996-756X

Conference

Conference	Adaptive Optics Systems VIII 2022
Country/Territory	Canada
City	Montreal
Period	7/17/22 → 7/22/22

Keywords

Adaptive Optics
Coronagraphy
Exoplanets
High Contrast Imaging
Image Procesing

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Computer Science Applications
Applied Mathematics
Electrical and Electronic Engineering

Access to Document

10.1117/12.2630503

Cite this

Guyon, O., Norris, B., Martinod, M. A., Ahn, K., Deo, V., Skaf, N., Lozi, J., Vievard, S., Haffert, S. Y., Currie, T., Males, J. R., Wong, A., & Tuthill, P. (2022). High Contrast Imaging at the Photon Noise Limit with WFS-based PSF Calibration. In L. Schreiber, D. Schmidt, & E. Vernet (Eds.), Adaptive Optics Systems VIII Article 121850E (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 12185). SPIE. https://doi.org/10.1117/12.2630503

High Contrast Imaging at the Photon Noise Limit with WFS-based PSF Calibration. / Guyon, Olivier; Norris, Barnaby; Martinod, Marc Antoine et al.
Adaptive Optics Systems VIII. ed. / Laura Schreiber; Dirk Schmidt; Elise Vernet. SPIE, 2022. 121850E (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 12185).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Guyon, O, Norris, B, Martinod, MA, Ahn, K, Deo, V, Skaf, N, Lozi, J, Vievard, S, Haffert, SY, Currie, T, Males, JR, Wong, A & Tuthill, P 2022, High Contrast Imaging at the Photon Noise Limit with WFS-based PSF Calibration. in L Schreiber, D Schmidt & E Vernet (eds), Adaptive Optics Systems VIII., 121850E, Proceedings of SPIE - The International Society for Optical Engineering, vol. 12185, SPIE, Adaptive Optics Systems VIII 2022, Montreal, Canada, 7/17/22. https://doi.org/10.1117/12.2630503

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AU - Guyon, Olivier

AU - Norris, Barnaby

AU - Martinod, Marc Antoine

AU - Ahn, Kyohoon

AU - Deo, Vincent

AU - Skaf, Nour

AU - Lozi, Julien

AU - Vievard, Sébastien

AU - Haffert, Sebastiaan Y.

AU - Currie, Thayne

AU - Males, Jared R.

AU - Wong, Alison

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AB - Speckle Noise is the dominant source of error in high contrast imaging with adaptive optics system. We discuss the potential for wavefront sensing telemetry to calibrate speckle noise with sufficient precision and accuracy so that it can be removed in post-processing of science images acquired by high contrast imaging instruments. In such a self-calibrating system, exoplanet detection would be limited by photon noise and be significantly more robust and efficient than in current systems. We show initial laboratory and on-sky tests, demonstrating over short timescale that residual speckle noise is indeed calibrated to an accuracy exceeding readout and photon noise in the high contrast region. We discuss immplications for the design of space and ground high-contrast imaging systems.

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High Contrast Imaging at the Photon Noise Limit with WFS-based PSF Calibration

Abstract

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Conference

Keywords

ASJC Scopus subject areas

Access to Document

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Cite this