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Please use this identifier to cite or link to this item: http://eprint.iitd.ac.in/handle/2074/597

Title: A long-range fiber optic pH sensor prepared by dye doped sol-gel immobilization technique
Authors: Gupta, B D
Sharma, Sonu
Keywords: Optical fiber
Evanescent wave
Sol-gel process
Issue Date: 1998
Citation: Optics Communications, 154(5-6), 282–284
Abstract: A long-range fiber optic pH sensor based on evanescent wave absorption is presented. The probe is prepared by immobilizing a mixture of three pH-sensitive dyes cresol red, bromophenol blue and chlorophenol red on the surface of the fiber core using sol-gel technology. The sensor has a linear and reproducible pH response in the pH range from 4.5 to 13.0.Due to its long dynamic pH range the sensor is expected to find wide applications.
URI: http://eprint.iitd.ac.in/dspace/handle/2074/597
Appears in Collections:Physics

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