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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 38, Iss. 5 — Mar. 1, 2013
  • pp: 772–774

Polymer planar Bragg grating sensor for static strain measurements

M. Rosenberger, G. Koller, S. Belle, B. Schmauss, and R. Hellmann  »View Author Affiliations


Optics Letters, Vol. 38, Issue 5, pp. 772-774 (2013)
http://dx.doi.org/10.1364/OL.38.000772


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Abstract

We report on a new optical strain sensor based on a polymer planar Bragg grating (PPBG). The sensor consists of commercially available bulk Polymethlymethacrylate with a UV-inscribed optical waveguide as well as a Bragg grating, both of which are fabricated simultaneously in a single writing step. Upon axial strain, the Bragg wavelength reveals a quasi-instantaneous spectral red shift that depends linearly on the mechanical load with a sensitivity of 2.95pm/με. The relative reflected intensity of the PPBG remains constant in the investigated load region.

© 2013 Optical Society of America

OCIS Codes
(130.0130) Integrated optics : Integrated optics
(130.6010) Integrated optics : Sensors

ToC Category:
Integrated Optics

History
Original Manuscript: December 19, 2012
Revised Manuscript: February 3, 2013
Manuscript Accepted: February 3, 2013
Published: February 28, 2013

Citation
M. Rosenberger, G. Koller, S. Belle, B. Schmauss, and R. Hellmann, "Polymer planar Bragg grating sensor for static strain measurements," Opt. Lett. 38, 772-774 (2013)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-38-5-772

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