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Proceedings Paper

Contribution to traceability and consistency in length measurement standards
Author(s): Masaji Sawabe
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Paper Abstract

The concept of the traceability in length measurement standard is described and the present traceability system in Japan is discussed first. The calibration data of commercial stabilized He-Ne laser wavelength are shown and the suitable usage of the laser interferometer is given. The round robin gauge block measurement by comparator that is carried out among the calibration laboratories positioned several countries inside worldwide corporation are described with focusing on the consistency and the compatibility of the calibration accuracy. The contribution to traceability and consistency in length standard measurements is explained through two measurements mentioned above.

Paper Details

Date Published: 30 September 1998
PDF: 6 pages
Proc. SPIE 3477, Recent Developments in Optical Gauge Block Metrology, (30 September 1998); doi: 10.1117/12.323110
Show Author Affiliations
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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