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Imaging Fourier transform spectroscopy with multi-aperture telescopes

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Abstract

Fourier spectroscopy can be performed with multi-aperture telescopes by adjusting the optical path difference between apertures. Expressions are given for the measured intensity and the recovered spectrum for a general multi-aperture system. The transfer function of a multi-aperture spectrometer is strikingly different than for a conventional Michelson imaging spectrometer.

© 2003 Optical Society of America

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