Wide field interferometric imaging with single-mode fibers

Details Wide field interferometric imaging with single-mode fibers Wide field interferometric imaging with single-mode fibers

2002-04-16

arxiv.org/abs/astro-ph/0204259v1

Astronomy and Astrophysics

Astrophysics

14 pages, 14 figures. Accepted for publication in A&A

Scientific paper

10.1051/0004-6361:20020387

Classical single-mode fiber interferometers, using one fiber per aperture, have very limited imaging capabilities and small field of view. Observations of extended sources (resolved by one aperture) cannot be fully corrected for wavefront aberrations: accurate measurements of object visibilities are then made very difficult from ground-based fiber interferometers. These limitations are very severe for the new generation of interferometers, which make use of large telescopes equipped with adaptive optics, but can be overcome by using several fibers per aperture. This technique improves the wide field imaging capabilities of both ground-based and space interferometers.

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