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Proceedings Paper

Miniaturized fiber probe reflective interferometer sensor
Author(s): Jun-long Kou; Jing Feng; Fei Xu; Yan-qing Lu
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Paper Abstract

We report a miniaturized fiber probe inline reflective interferometer (FPIRI) sensor, with a several μ-micro-notch cavity fabricated for highly sensitive refractive index measurement. Its sensitivity in liquid is ~100 nm/RIU (refractive index unit) near the wavelength of 1550 nm with a high extinction ratio. This probe sensor is very compact, stable, and cheap, offering great potentials for detecting inside sub-wavelength particles or biocells.

Paper Details

Date Published: 17 May 2011
PDF: 4 pages
Proc. SPIE 7753, 21st International Conference on Optical Fiber Sensors, 77531Q (17 May 2011); doi: 10.1117/12.885907
Show Author Affiliations
Jun-long Kou, Nanjing Univ. (China)
Jing Feng, Nanjing Univ. (China)
Fei Xu, Nanjing Univ. (China)
Yan-qing Lu, Nanjing Univ. (China)

Published in SPIE Proceedings Vol. 7753:
21st International Conference on Optical Fiber Sensors
Jacques Albert; Wojtek J. Bock, Editor(s)

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