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Applied Optics

Applied Optics


  • Editor: James C. Wyant
  • Vol. 45, Iss. 9 — Mar. 20, 2006
  • pp: 1893–1897

Transducing mechanical force by use of a diffraction grating sensor

Wei-Chih Wang, Chi-Ting Ho, Yi-Ru Lian, and Wei-Ching Chuang  »View Author Affiliations

Applied Optics, Vol. 45, Issue 9, pp. 1893-1897 (2006)

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A novel means of transducing mechanical force by using a polymeric-based diffractive grating sensor is presented. The diffraction gratings are successfully fabricated upon poly(dimethyl siloxane) polymer substrates by holographic interference and micromolding. A micromaterial tensile test incorporated into the surface diffraction grating experiment showed that a relationship between the load and the observed diffraction-pattern shift could be obtained. The results show an excellent correlation between the optical measurement and load, with a sensitivity of 0.05 N.

© 2006 Optical Society of America

OCIS Codes
(050.1950) Diffraction and gratings : Diffraction gratings
(090.2880) Holography : Holographic interferometry
(160.5470) Materials : Polymers

ToC Category:
Diffraction and Gratings

Original Manuscript: May 9, 2005
Revised Manuscript: August 14, 2005
Manuscript Accepted: August 15, 2005

Wei-Chih Wang, Chi-Ting Ho, Yi-Ru Lian, and Wei-Ching Chuang, "Transducing mechanical force by use of a diffraction grating sensor," Appl. Opt. 45, 1893-1897 (2006)

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