Modification of Kosters Primary Gauge Block Interferometer

Katić, Marko and Šimunović, Vedran and Mudronja, Vedran (2011) Modification of Kosters Primary Gauge Block Interferometer. = Modification of Kosters Primary Gauge Block Interferometer. In: 13th International scientific conference on production engineering CIM2011, 16-18.06.2011., Biograd, Hrvatska.

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By definition, meter is expressed as radiation of a laser in vacuum. This definition of meter has to be transferred to a physical artifact and gauge blocks are calibrated by means of interferometry for just that purpose. Primary interferometers are used at the highest accuracy levels to perform calibration of national gauge block standards. These devices are very expensive, given the fact that they are manufactured on order and used almost exclusively by national measurement institutes. Therefore, LFSB decided to retrofit and modify an existing interferometer, and preliminary measurements show substantial improvements in accuracy.

Item Type: Conference or Workshop Item (Lecture)
Keywords (Croatian): length measurement; interferometry; optical measurement methods
Subjects: TECHNICAL SCIENCE > Mechanical Engineering
Divisions: 800 Department of Quality > 810 Chair of Precise Measurement and Quality
Indexed in Web of Science: No
Indexed in Current Contents: No
Date Deposited: 04 Jul 2016 15:31
Last Modified: 18 May 2018 11:28

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