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Please use this identifier to cite or link to this item: http://eprint.iitd.ac.in/handle/2074/582

Title: Fiber optic evanescent field absorption sensor with high sensitivity and linear dynamic range
Authors: Khijwania, S K
Gupta, B D
Keywords: evanescent field
absorption sensor
U-shaped probe
solute molecules
Issue Date: 1998
Citation: Optics Communications, 152(4-6), 259–262
Abstract: A novel fiber optic evanescent field absorption sensor having high sensitivity and linear dynamic range is proposed. High sensitivity is achieved by using a U-shaped probe while linear response is obtained by preventing surface reactivity of the silica core of the fiber with the solute molecules of the absorbing fluid. To prevent it, a thin film of a suitable polymer is developed on the bare core U-shaped probe. A good degree of reproducibility of the results is obtained.
URI: http://eprint.iitd.ac.in/dspace/handle/2074/582
Appears in Collections:Physics

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