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Proceedings Paper

Nanomaterials coated multiplexed fiber Bragg grating for multiparameter sensing
Author(s): B. N. Shivananju; Vishnu Prasad; Aravind C. G.; Abha Misra; Manoj M. Varma; S. Asokan
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Paper Abstract

Fiber Bragg Grating (FBG) sensors have been extensively used for strain and temperature sensing. However, there is still a need to measure multiple environmental parameters with a single sensor system. We demonstrate a multiplexed FBG sensor with various nano materials (polyallylamine-amino-carbon-nanotube, carbon nanotubes, polyelectrolyte and metals) coated onto the surface of the core/cladding FBG for sensing multiple environmental parameters such as pH (64 pm/pH), protein concentration (5 pm/μg/ml), temperature (15 pm/oC), humidity (31 pm/%RH), gas concentration (7 pm/1000 ppm), and light intensity (infrared: 33 pm/mW, visible: 12 pm/mW and UV: 1 pm/mW) utilizing the same FBG based platform.

Paper Details

Date Published: 8 February 2015
PDF: 7 pages
Proc. SPIE 9370, Quantum Sensing and Nanophotonic Devices XII, 937036 (8 February 2015); doi: 10.1117/12.2079999
Show Author Affiliations
B. N. Shivananju, Indian Institute of Science (India)
Vishnu Prasad, Indian Institute of Science (India)
Aravind C. G., Indian Institute of Science (India)
Abha Misra, Indian Institute of Science (India)
Manoj M. Varma, Indian Institute of Science (India)
S. Asokan, Indian Institute of Science (India)


Published in SPIE Proceedings Vol. 9370:
Quantum Sensing and Nanophotonic Devices XII
Manijeh Razeghi; Eric Tournié; Gail J. Brown, Editor(s)

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