Abstract
This paper discusses a version of a stellar interferometer in which the primary
mirrors of the receiver telescopes have different diameters. A small telescope serves as
the reference channel for a large-diameter astronomical telescope. The exit apertures of
the channels are conjugate in the modified scheme, and the interference pattern is
observed over the entire pupil. It is shown that a technique of broadening the dynamic
range of recording of the zero path difference in white light by means of moiré in the
spectral interference pattern can be used in this case.
© 2008 Optical Society of America
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