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Proceedings Paper

Multiplexer For Scattering Measurements
Author(s): J. M. Dowling; D. E. Masturzo; M. E. Whitson
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Paper Abstract

Let the wavefront normal (ray) entering a Michelson interferometer make an angle with respect to the perpendiculars to the movable and stationary mirrors of the interferometer. If the movable mirror is displaced along its perpendicular a geometrical distance x, an optical path difference of 2 x cosθ will be generated. A monochromatic line of wavenumber νθ will then be modulated as if it had a wavenumber νθcosθ. When used in this fashion, the interferometer codes the angular data into wavenumber data. Multiplexing for many types of scattering measurements is thus possible. An apparatus to accomplish these measurements is described, and results for a mirror contaminated with a single spherical particle are presented.

Paper Details

Date Published: 5 April 1983
PDF: 5 pages
Proc. SPIE 0362, Scattering in Optical Materials II, (5 April 1983); doi: 10.1117/12.934146
Show Author Affiliations
J. M. Dowling, The Aerospace Corporation (United States)
D. E. Masturzo, The Aerospace Corporation (United States)
M. E. Whitson, The Aerospace Corporation (United States)


Published in SPIE Proceedings Vol. 0362:
Scattering in Optical Materials II
Solomon Musikant, Editor(s)

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