Paper
1 January 1987 Hybrid Interferometers: A Study Of The Coupling Of Optical Surfaces In Incoherent Light
W. Ward, W. A . Gault, R. Wiens, G. G. Shepherd
Author Affiliations +
Proceedings Volume 0813, Optics and the Information Age; (1987) https://doi.org/10.1117/12.967144
Event: 14th Congress of the International Commission for Optics, 1987, Quebec, Canada
Abstract
Two studies (Ward et. al.(1985), Ward et. al.(1987)) have been undertaken to analyse the cause of secondary fringes in a wide angle Michelson interferometer (Shepherd et. al.(1985)) and determine methods for their elimination. Out of these studies some general considerations on the coupling of optical surfaces in incoherent light have been developed. Surfaces which are coupled in such a way that the fringe form must be calculated from amplitude considerations are considered to be coherently coupled whereas surfaces coupled in such a way that the fringe form can be calculated from intensity calculations are considered to be incoherently coupled. Since the observed fringe form of the interferometers considered in the above studies were neither that of a Michelson interferometer nor that of traditional multi-reflection devices such as the Fabry-Perot interferometer, the phrase 'hybrid interferometer' was coined to describe them. In this paper these considerations on the coupling of optical surfaces are summarized. In addition the conditions under which orthogonal polarization states can be used to provide independent sets of fringes is noted. These theoretical considerations are illustrated with examples of several 'hybrid interferometers'.
© (1987) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
W. Ward, W. A . Gault, R. Wiens, and G. G. Shepherd "Hybrid Interferometers: A Study Of The Coupling Of Optical Surfaces In Incoherent Light", Proc. SPIE 0813, Optics and the Information Age, (1 January 1987); https://doi.org/10.1117/12.967144
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KEYWORDS
Interferometers

Michelson interferometers

Reflection

Polarization

Light

Fabry–Perot interferometry

Coherence (optics)

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