Open Access Paper
20 September 2011 Fourier transforms by white-light interferometry: Michelson stellar interferometer fringes
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Abstract
The white-light compensated rotational shear interferometer (coherence interferometer) was developed in an effort to study the spatial frequency content of passively illuminated white-light scenes in real-time and to image sources of astronomical interest at high spatial frequencies through atmospheric turbulence. This work was inspired by Professor Goodman's studies of the image formation properties of coherent (laser) illuminated transparencies. We discovered that real-time image processing is possible using white-light interferometry. The concept of a quasimonoplanatic approximation is introduced as a parallel to the quasimonochromatic approximation needed to describe the theory of Fourier transform spectrometers. This paper describes the coherence interferometer and reviews its image formation properties under the conditions of quasimonoplanacity and describes its development and its applications to physical optics, optical processing and astrophysics including the search for exoplanets.
© (2011) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
James B. Breckinridge "Fourier transforms by white-light interferometry: Michelson stellar interferometer fringes", Proc. SPIE 8122, Tribute to Joseph W. Goodman, 812206 (20 September 2011); https://doi.org/10.1117/12.890537
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KEYWORDS
Interferometers

Fourier transforms

Wavefronts

Prisms

Coherence (optics)

Beam splitters

Spatial frequencies

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