Wavefront Correction for the Observation of an Exoplanet against the Background of the Diffraction Stellar Vicinity

We propose and investigate a precise wavefront correction method for the astronomical observation of exoplanets in the diffraction stellar vicinity. We show the applicability of the method for measuring and correcting the wavefront in the scheme of a telescope and an interferometric coronagraph with...

Full description

Saved in:
Bibliographic Details
Published in:Journal of experimental and theoretical physics 2023-02, Vol.136 (2), p.109-130
Main Authors: Yudaev, A. V., Shashkova, I. A., Kiselev, A. V., Komarova, A. A., Tavrov, A. V.
Format: Article
Language:English
Subjects:
Astronomy
Atoms
Celestial bodies
Classical and Quantum Gravitation
Coronagraphs
Diffraction
Elementary Particles
Extrasolar planets
Measurement methods
Molecules
Optics
Particle and Nuclear Physics
Physics
Physics and Astronomy
Quantum Field Theory
Relativity Theory
Solid State Physics
Telescope
Wave front sensors
Wave fronts
Citations: Items that this one cites
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:We propose and investigate a precise wavefront correction method for the astronomical observation of exoplanets in the diffraction stellar vicinity. We show the applicability of the method for measuring and correcting the wavefront in the scheme of a telescope and an interferometric coronagraph without applying any Hartmann wavefront sensors. In our laboratory experiment we achieved a correction accuracy ~λ/50 and a coronagraphic contrast better than 10 5 . We outline the prospects for increasing the correction accuracy to a target value of λ/500 to visualize the Earth in the vicinity of the Sun observed from a distance of 10 pc (in the immediate neighborhood of the Solar System) through an additional amplitude correction and the inclusion of non-common-path aberrations.
ISSN:1063-7761
1090-6509
DOI:10.1134/S1063776123020127