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Proceedings Paper

Fiber optic interferometer for absolute distance measurements with high measuring frequency
Author(s): Christof Bosbach; Frank Depiereux; T. Pfeifer; B. Michelt
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Paper Abstract

White light interferometry or coherence radar is a well known and established measurement technique for years. But especially the field of production technology and medical technology need measurement systems with continuously increasing performance. This paper demonstrates, how the use of special optical components for higher measurement frequencies and the miniaturizing ofthe sensor tip can enlarge the application fields for this system. First, the fundamental aspects of white light interferometry are presented and lead to the new concept of a distance measurement system. It is shown how the inset of a special stepped mirror in the detection interferometer increases the measurement frequency and how the sensor is miniaturized using a Fabry-Perot interferometer.

Paper Details

Date Published: 29 July 2002
PDF: 8 pages
Proc. SPIE 4900, Seventh International Symposium on Laser Metrology Applied to Science, Industry, and Everyday Life, (29 July 2002); doi: 10.1117/12.484589
Show Author Affiliations
Christof Bosbach, Fraunhofer-Institute for Production Technology (Germany)
Frank Depiereux, Fraunhofer-Institute for Production Technology (Germany)
T. Pfeifer, Fraunhofer-Institute for Production Technology (Germany)
B. Michelt, Jurca Optoelektronik GmbH (Germany)


Published in SPIE Proceedings Vol. 4900:
Seventh International Symposium on Laser Metrology Applied to Science, Industry, and Everyday Life
Yuri V. Chugui; Sergei N. Bagayev; Albert Weckenmann; P. Herbert Osanna, Editor(s)

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