Paper
3 April 1989 The Optical-Origin Drift And Its Effects On A Fringe-Counting Interferometer
Chen Ming -Yi
Author Affiliations +
Proceedings Volume 1121, Interferometry '89; (1989) https://doi.org/10.1117/12.961245
Event: Interferometry '89, 1989, Warsaw, Poland
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.
© (1989) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Chen Ming -Yi "The Optical-Origin Drift And Its Effects On A Fringe-Counting Interferometer", Proc. SPIE 1121, Interferometry '89, (3 April 1989); https://doi.org/10.1117/12.961245
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KEYWORDS
Interferometers

Interferometry

Mirrors

Calibration

Error analysis

Refractive index

Laser development

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