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Proceedings Paper

Carbon-nanotube-deposited photonic crystal fiber for refractive index sensing
Author(s): Y. C. Tan; Z. Q. Tou; V. Mamidala; K. K. Chow; C. C. Chan
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Paper Abstract

We present a novel fiber optic sensor based on the assembly of a thin film of carbon nanotubes (CNTs) onto a short length of photonic crystal fiber (PCF) which is spliced between two single mode fibers (SMFs). The assembly of the thin film was achieved via a simple and effective deposition method. The deposition of CNTs modified the sensing ability of the sensor, allowing it to work in the intensity encoding scheme, thus opening the sensor to the possibility of dual parameter sensing. The sensor exhibited a sensitivity of 36.1 dB/ RIU and 96.6 dB/ RIU within the ranges of 1.33-1.38 and 1.38-1.42 respectively.

Paper Details

Date Published: 2 June 2014
PDF: 4 pages
Proc. SPIE 9157, 23rd International Conference on Optical Fibre Sensors, 91577Y (2 June 2014); doi: 10.1117/12.2059266
Show Author Affiliations
Y. C. Tan, Nanyang Technological Univ. (Singapore)
Z. Q. Tou, Nanyang Technological Univ. (Singapore)
V. Mamidala, Nanyang Technological Univ. (Singapore)
K. K. Chow, Nanyang Technological Univ. (Singapore)
C. C. Chan, Nanyang Technological Univ. (Singapore)

Published in SPIE Proceedings Vol. 9157:
23rd International Conference on Optical Fibre Sensors
José M. López-Higuera; Julian D. C. Jones; Manuel López-Amo; José Luis Santos, Editor(s)

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