Journal
IEEE SENSORS JOURNAL
Volume 13, Issue 11, Pages 4482-4486Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/JSEN.2013.2270312
Keywords
Fiber optic sensor; fuel adulteration; long period fiber grating; CO2 laser; index (SRI); RIU
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We report for the first time the application of turnaround-point long period fiber gratings for wavelength encoded detection of automobile fuel adulteration. The demonstrated high sensitivity of 0.96 nm/% change of kerosene in petrol up to 10% adulteration is significantly high compared with previously published values. These specialty gratings can easily detect the presence of 1% contamination of kerosene in petrol and thus provide opportunities for development of portable fuel adulteration sensors.
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