Interferometry following adaptive optics | Zendy

Erez N. Ribak | Zendy

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Interferometry following adaptive optics

Author(s) -

Erez N. Ribak

Publication year - 2004

Publication title -

proceedings of spie, the international society for optical engineering/proceedings of spie

Language(s) - English

Resource type - Conference proceedings

SCImago Journal Rank - 0.192

H-Index - 176

eISSN - 1996-756X

pISSN - 0277-786X

DOI - 10.1117/12.580225

Subject(s) - adaptive optics , optics , interferometry , speckle pattern , speckle imaging , wavefront , physics , aperture (computer memory) , aperture synthesis , image plane , pupil , computer science , computer vision , image (mathematics) , acoustics

Adaptive optics systems on single big telescopes correct many modes, allowing imaging in the infra red. At the same time, visible photons can be used as well, especially when infra red light is also employed for wave front sensing. It is argued that pupil-plane interferometry is the most useful application for high-resolution imaging. This is because the isoplanatic patch area and the integration time are larger after correction, and they afford enhanced signal collection in the aperture plane. In contrast, speckle imaging methods only gain indirectly from this enhancement.

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