Modification of the Koster interferometer for automatization of gauge block measurements

Leszek A. Salbut; Malgorzata Kujawinska; Zbigniew J. Ramotowski

doi:10.1117/12.323099

30 September 1998 Modification of the Koster interferometer for automatization of gauge block measurements

Leszek A. Salbut, Malgorzata Kujawinska, Zbigniew J. Ramotowski

Proceedings Volume 3477, Recent Developments in Optical Gauge Block Metrology; (1998) https://doi.org/10.1117/12.323099
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1998, San Diego, CA, United States

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.

Citation Download Citation

Leszek A. Salbut, Malgorzata Kujawinska, and Zbigniew J. Ramotowski "Modification of the Koster interferometer for automatization of gauge block measurements", Proc. SPIE 3477, Recent Developments in Optical Gauge Block Metrology, (30 September 1998); https://doi.org/10.1117/12.323099

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