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Sensors 2012, 12(3), 3350-3358; doi:10.3390/s120303350
Article

Novel Principle of Contactless Gauge Block Calibration

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Received: 20 January 2012 / Revised: 22 February 2012 / Accepted: 1 March 2012 / Published: 8 March 2012
(This article belongs to the Section Physical Sensors)
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Abstract

In this paper, a novel principle of contactless gauge block calibration is presented. The principle of contactless gauge block calibration combines low-coherence interferometry and laser interferometry. An experimental setup combines Dowell interferometer and Michelson interferometer to ensure a gauge block length determination with direct traceability to the primary length standard. By monitoring both gauge block sides with a digital camera gauge block 3D surface measurements are possible too. The principle presented is protected by the Czech national patent No. 302948.
Keywords: low-coherence interferometry; gauge block; nanometrology low-coherence interferometry; gauge block; nanometrology
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Buchta, Z.; Řeřucha, Š.; Mikel, B.; Čížek, M.; Lazar, J.; Číp, O. Novel Principle of Contactless Gauge Block Calibration. Sensors 2012, 12, 3350-3358.

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