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Proceedings Paper

The Optical-Origin Drift And Its Effects On A Fringe-Counting Interferometer
Author(s): Chen Ming -Yi
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Paper Abstract

In considering of the two boundary conditions arising in a fringe-counting interferometer(FCI): the non-zero original optical path difference(OPD) between reference and measurement arms; and the zeroed interference order corresponding to the original OPD at the begining of measurement, an amended length measurement formula and its whole-error distribution equation are derived, on which the concept of optical-origin drift(OOD) iS introduced. The effect of OOD on the measurement accuracy and the geometric design of interferometers is discussed in detail. Practical examples are also presented.

Paper Details

Date Published: 3 April 1989
PDF: 5 pages
Proc. SPIE 1121, Interferometry '89, (3 April 1989); doi: 10.1117/12.961245
Show Author Affiliations
Chen Ming -Yi, Shanghai University of Science & Technology (China)

Published in SPIE Proceedings Vol. 1121:
Interferometry '89
Zbigniew Jaroszewicz; Maksymilian Pluta, Editor(s)

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