Discrete fringe pattern to reduce the resolution limit for white light interferometry
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AbstractIn white light interferometry, the measurement resolution is relatively limited by the coherence length of the light source, usually in tens of fringes. In this work, a simple, real time technique is developed, to transform the output signal into a discrete fringe pattern on a real time basis, with a sharp and dominant central fringe, which effectively reduces the relative resolution limit to a subfringe level and thus possessing a great potential for high-precision measurements. (C) 1999 Elsevier Science B.V. All rights reserved.
All Author(s) ListWang DN, Shu C
Journal nameOptics Communications
Volume Number162
Issue Number4-6
Pages187 - 190
LanguagesEnglish-United Kingdom
Keywordsdiscrete fringe pattern; resolution limit; white light interferometry
Web of Science Subject CategoriesOptics; OPTICS

Last updated on 2021-23-02 at 01:02