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A simple way for improving the identification of the central fringe in a fibre-optic white-light interferometer

✍ Scribed by L. Yuan

Publisher: Elsevier Science
Year: 1997
Tongue: English
Weight: 445 KB
Volume: 29
Category: Article
ISSN: 0030-3992
DOI: 10.1016/s0030-3992(97)00037-6

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✦ Synopsis

A white-light fibre-optic interferometer working in the spatial domain, using a special three-peak-wavelength LED as the light source, is presented. Based on the Gaussian spectrum distribution function, a simple spectrum decomposing method has been used to describe the special three-peak-wavelength LED source. Experimental and theoretical analyses show that the special three-peak-wavelength LED source can be used in white light interferometry to simplify the problem of central fringe identification.

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