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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics


  • Editors: Andrew Dunn and Anthony Durkin
  • Vol. 5, Iss. 13 — Oct. 22, 2010

Biochemical sensing with a polymer-based micromachined Fabry-Perot sensor

Tianhua Zhang, Shantan Talla, Zhongcheng Gong, Sukrut Karandikar, Rebecca Giorno, and Long Que  »View Author Affiliations

Optics Express, Vol. 18, Issue 17, pp. 18394-18400 (2010)

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A white-light source operated polymer-based micromachined Fabry-Perot biochemical sensor is reported. As a refractive-index sensitive optical sensor, its transducing signal varies upon the changes of the effective refractive index in the Fabry-Perot cavity. This sensor is fabricated from PDMS and glass. More specifically, this sensor is a micromachined Fabry-Perot interferometer (µFPI) and is fabricated by bonding a glass substrate and the soft-lithographically patterned PDMS. Several biochemicals have been detected with the µFPI biochemical sensors. Measurements show that rabbit IgG at a concentration of as low as 5 to 50 ng/ml can be detected even without any performance optimization of the devices.

© 2010 OSA

OCIS Codes
(050.2230) Diffraction and gratings : Fabry-Perot
(130.6010) Integrated optics : Sensors
(230.3990) Optical devices : Micro-optical devices

ToC Category:

Original Manuscript: May 18, 2010
Revised Manuscript: June 28, 2010
Manuscript Accepted: August 2, 2010
Published: August 12, 2010

Virtual Issues
Vol. 5, Iss. 13 Virtual Journal for Biomedical Optics

Tianhua Zhang, Shantan Talla, Zhongcheng Gong, Sukrut Karandikar, Rebecca Giorno, and Long Que, "Biochemical sensing with a polymer-based micromachined Fabry-Perot sensor," Opt. Express 18, 18394-18400 (2010)

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