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Please use this identifier to cite or link to this item: http://dyuthi.cusat.ac.in/purl/2403

Title: Chemical sensing with microbent optical fiber
Authors: Thomas Lee, S
Nibu, A George
Suresh, Kumar P
Radhakrishnan, P
Vallabhan, C P G
Nampoori, V P N
Keywords: microbent optical fiber
Issue Date: 15-Oct-2001
Publisher: Optical Society of America
Abstract: We propose and demonstrate the possibility of using a permanently microbent bare optical fiber for detecting chemical species. Two detection schemes, viz., a bright-field detection scheme (for the core modes), and a dark-field detection scheme (for the cladding modes) have been employed to produce a fiber-optic sensor. The sensor described here is sensitive enough to detect concentrations as low as nanomoles per liter of a chemical species, with a dynamic range of more than 6 orders of magnitude.
URI: http://dyuthi.cusat.ac.in/purl/2403
Appears in Collections:Dr.C P Girijavallabhan

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