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Proceedings Paper

Misalignment-induced fringe beating effects in a white-light interferometer
Author(s): Andrew W. Palmer; Yanong N. Ning; Kenneth T. V. Grattan
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Paper Abstract

The output intensity distribution from a white light interferometer (WLI) may be varied if the quality of the collimation lens used is poor or the alignment of the optical arrangement is not good. This effect will make the peak value of the central fringe be equal to or even less than that of the other fringes, and in consequence the WLI scheme will give an erroneous result for the determination of the central fringe position. This effect is analyzed theoretically using a computer simulation model, and the results from both the computer simulation and experiment are discussed and compared.

Paper Details

Date Published: 5 August 1994
PDF: 4 pages
Proc. SPIE 2321, Second International Conference on Optoelectronic Science and Engineering '94, (5 August 1994); doi: 10.1117/12.182167
Show Author Affiliations
Andrew W. Palmer, City Univ. (United Kingdom)
Yanong N. Ning, City Univ. (United Kingdom)
Kenneth T. V. Grattan, City Univ. (United Kingdom)

Published in SPIE Proceedings Vol. 2321:
Second International Conference on Optoelectronic Science and Engineering '94
Wang Da-Heng; Anna Consortini; James B. Breckinridge, Editor(s)

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