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Please use this identifier to cite or link to this item: http://eprint.iitd.ac.in/handle/2074/1363

Title: SMS fiber optic microbend sensor structures: effect of the modal interference
Authors: Arun Kumar
Varshney, Ravi K
Rakesh Kumar
Keywords: Fiber optic sensors
Microbend sensors
SMS structures
Modal interference
Issue Date: 2004
Citation: Optics Communications, 232(1-6), 239-244
Abstract: We examine the effect of modal interference on the performance of a single mode–multimode–single mode (SMS) fiber optic microbend sensor structure. The study shows that if the coupling from higher order modes of the sensing multimode fiber to the lead-out single mode (SM) fiber is not zero, the output power and hence the microbend sensitivity of the structure depends strongly on the position of the microbends in the fiber. A simple experiment is carried out to study the above effect whose results agree very well with the theoretical predictions.
URI: http://eprint.iitd.ac.in/dspace/handle/2074/1363
Appears in Collections:Physics

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