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Proceedings Paper

Phase shift on ceramic gauge blocks
Author(s): Shunji Shutoh; Hirofumi Moriyama; Masaji Sawabe
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Paper Abstract

The gauge block can realize the length of an object with the interferometric method.When light reflects on the measuring surface, the lag of phase occurs due to optical characteristics and surface roughness of the test piece. It is necessary to ad this correction value to the optical length obtained by the measurement. The investigation is carried out whether the phase shift correction used for steel gauge block to gauge block made of new material 'ceramics'.

Paper Details

Date Published: 30 September 1998
PDF: 6 pages
Proc. SPIE 3477, Recent Developments in Optical Gauge Block Metrology, (30 September 1998); doi: 10.1117/12.323107
Show Author Affiliations
Shunji Shutoh, Mitutoyo Corp. (Japan)
Hirofumi Moriyama, Mitutoyo Corp. (Japan)
Masaji Sawabe, Mitutoyo Corp. (Japan)

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

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