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

Novel Principle of Contactless Gauge Block Calibration

Institute of Scientific Instruments, Academy of Sciences of the Czech Republic, Královopolská 147, 612 64 Brno, Czech Republic
Author to whom correspondence should be addressed.
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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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. View Full-Text
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 (CC BY 3.0).

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MDPI and ACS Style

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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