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Proceedings Paper

Modification of the Koster interferometer for automatization of gauge block measurements
Author(s): Leszek A. Salbut; Malgorzata Kujawinska; Zbigniew J. Ramotowski
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Paper Abstract

Several standard and measures laboratories are using typical Koester interferometers (KI) and routine measurement procedures for evaluating the practical length of block gauges. In the paper the modification of KI by introducing laser light source and phase shifting element for automatization of interferogram analysis by temporal phase shifting method are presented. From phase data obtained the flatness, parallelism and length deviation of gauge block are automatically determined. The methodology and software procedures for this process are introduced and the examples of measurement are shown.

Paper Details

Date Published: 30 September 1998
PDF: 7 pages
Proc. SPIE 3477, Recent Developments in Optical Gauge Block Metrology, (30 September 1998); doi: 10.1117/12.323099
Show Author Affiliations
Leszek A. Salbut, Warsaw Univ. of Technology (Poland)
Malgorzata Kujawinska, Warsaw Univ. of Technology (Poland)
Zbigniew J. Ramotowski, Central Office of Measures (Poland)

Published in SPIE Proceedings Vol. 3477:
Recent Developments in Optical Gauge Block Metrology
Jennifer E. Decker; Nicholas Brown, Editor(s)

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