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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 49, Iss. 32 — Nov. 10, 2010
  • pp: 6243–6252

Integrated microinterferometric sensor for in-plane displacement measurement

Jerzy Krężel, Małgorzata Kujawińska, Jürgen Mohr, Markus Guttmann, Markus Wissmann, Svetlen Tonchev, and Olivier Parriaux  »View Author Affiliations


Applied Optics, Vol. 49, Issue 32, pp. 6243-6252 (2010)
http://dx.doi.org/10.1364/AO.49.006243


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Abstract

We present an integrated sensor based on a grating interferometer (GI) for in-plane displacement measurement in microregions of large engineering structures. The system concept and design, based on a monolithic version of Czarnek’s GI, is discussed in detail. The technology chain of the GI measurement head (MH), including the master fabrication and further replication by means of hot embossing, is described. The numerical analyses of the MH by means of geometric ray tracing and scalar wave propagation are provided. They allow us to determine geometrical tolerance values as well as refractive index homogeneity and nonflatness of MH working surfaces, which provide proper beam guiding. Finally the demonstrative measurement performed with a model of the sensor is presented.

© 2010 Optical Society of America

OCIS Codes
(120.0120) Instrumentation, measurement, and metrology : Instrumentation, measurement, and metrology
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(120.4120) Instrumentation, measurement, and metrology : Moire' techniques

ToC Category:
Instrumentation, Measurement, and Metrology

History
Original Manuscript: May 24, 2010
Revised Manuscript: August 6, 2010
Manuscript Accepted: September 7, 2010
Published: November 4, 2010

Citation
Jerzy Krężel, Małgorzata Kujawińska, Jürgen Mohr, Markus Guttmann, Markus Wissmann, Svetlen Tonchev, and Olivier Parriaux, "Integrated microinterferometric sensor for in-plane displacement measurement," Appl. Opt. 49, 6243-6252 (2010)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-49-32-6243

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