## Development of New Automatic Gauge Block Interferometer up to 250mm

- N. Tatsuya, S. Shunji, I. Taizo N. Junichi, S. Masaji
- 1998

- Published 2013 in 2013 10th International Conference on Electrical…

A Michelson interferometer method for determining the variation in length of gauge blocks is presented. This method is based on phase shift interferometer measuring a fringe fraction of the interference fringes on a gauge block measuring surface and its auxiliary plate. The reference standard of measurement is the wavelength of stabilized He-Ne Laser at 633… (More)

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