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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 7 — Mar. 29, 2010
  • pp: 7421–7426

Performance investigation of an integrated Young interferometer sensor using a novel prism-chamber assembly

Zhi-mei Qi, Shukai Zhao, Fang Chen, Ruipeng Liu, and Shanhong Xia  »View Author Affiliations

Optics Express, Vol. 18, Issue 7, pp. 7421-7426 (2010)

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A novel prism-chamber assembly was prepared for application in optical waveguide based chemical and biological sensors, making the sensor easily and reproducibly operate. By using the prism-chamber assembly, the performance of a composite waveguide based integrated Young interferometer sensor was investigated. The temporal interference pattern detected with a single-slit photodetector heavily relies on the slit width, and regular high-contrast patterns can be obtained under the condition that the slit width is smaller than the spatial periodicity of the sensor. Increasing the temperature of water in the chamber leads to a quasi-linear variation in the phase difference with Δϕ/ΔT ≈−9.1°/°C. Significant dependence of the sensor’s sensitivity on the polarization state of the guided mode was also observed. The sensor is stable and reliable, capable of real-time detection of very slow bioreactions at the interface.

© 2010 OSA

OCIS Codes
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(130.6010) Integrated optics : Sensors
(230.7380) Optical devices : Waveguides, channeled

ToC Category:

Original Manuscript: January 19, 2010
Revised Manuscript: March 9, 2010
Manuscript Accepted: March 10, 2010
Published: March 25, 2010

Virtual Issues
Vol. 5, Iss. 7 Virtual Journal for Biomedical Optics

Zhi-mei Qi, Shukai Zhao, Fang Chen, Ruipeng Liu, and Shanhong Xia, "Performance investigation of an integrated Young interferometer sensor using a novel prism-chamber assembly," Opt. Express 18, 7421-7426 (2010)

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