Subaru Coronagraphic eXtreme Adaptive Optics

On-sky performance of the asymmetric pupil Fourier wavefront sensor

Frantz Martinache, Nemanja Jovanovic, Olivier Guyon

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

The Subaru Coronagraphic Extreme Adaptive Optics (SCExAO) instrument relies on a technique known as the asymmetric pupil Fourier wavefront sensor (APF-WFS) to compensate for the non-common path error that affects the performance of high contrast imaging instruments. The APF-WFS is a powerful tool that senses the wavefront at the level of the science detector, and leads to unbiased wavefront estimates. This paper presents the latest status, linearity properties and reports on the on-sky performance of this sensor, as it is implemented on SCExAO, used to control low-order Zernike modes in a close-loop system.

Original languageEnglish (US)
Title of host publicationAdaptive Optics Systems V
PublisherSPIE
Volume9909
ISBN (Electronic)9781510601970
DOIs
StatePublished - 2016
EventAdaptive Optics Systems V - Edinburgh, United Kingdom
Duration: Jun 26 2016Jul 1 2016

Other

OtherAdaptive Optics Systems V
CountryUnited Kingdom
CityEdinburgh
Period6/26/167/1/16

Fingerprint

Extreme Adaptive Optics
Wavefront Sensor
Adaptive optics
pupils
Wavefronts
adaptive optics
Wave Front
sky
High Contrast Imaging
sensors
Sensors
Linearity
Detector
Sensor
Path
linearity
Estimate
detectors
estimates
Detectors

ASJC Scopus subject areas

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

Cite this

Subaru Coronagraphic eXtreme Adaptive Optics : On-sky performance of the asymmetric pupil Fourier wavefront sensor. / Martinache, Frantz; Jovanovic, Nemanja; Guyon, Olivier.

Adaptive Optics Systems V. Vol. 9909 SPIE, 2016. 990954.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Martinache, F, Jovanovic, N & Guyon, O 2016, Subaru Coronagraphic eXtreme Adaptive Optics: On-sky performance of the asymmetric pupil Fourier wavefront sensor. in Adaptive Optics Systems V. vol. 9909, 990954, SPIE, Adaptive Optics Systems V, Edinburgh, United Kingdom, 6/26/16. https://doi.org/10.1117/12.2233475
Martinache, Frantz ; Jovanovic, Nemanja ; Guyon, Olivier. / Subaru Coronagraphic eXtreme Adaptive Optics : On-sky performance of the asymmetric pupil Fourier wavefront sensor. Adaptive Optics Systems V. Vol. 9909 SPIE, 2016.
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