Detection of petrol adulteration using TiO2-coated etched-clad-based FBG sensor

Md Tauseef Iqbal Ansari; Sanjeev Kumar Raghuwanshi; Azhar Shadab; Santosh Kumar

doi:10.1117/12.2647992

14 March 2023 Detection of petrol adulteration using TiO₂ coated etched clad based FBG sensor

Md Tauseef Iqbal Ansari, Sanjeev Kumar Raghuwanshi, Azhar Shadab, Santosh Kumar

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Proceedings Volume 12417, Optical Components and Materials XX; 1241711 (2023) https://doi.org/10.1117/12.2647992
Event: SPIE OPTO, 2023, San Francisco, California, United States

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Abstract

This paper presented a sensitivity analysis of petrol adulteration. The benzene and xylene are mainly used as adulterants in petrol because of their low cost and easy miscibility. In comparison to traditional methods, the proposed etched fiber Bragg grating (eFBG) sensor is able to detect up to low-level adulteration efficiently when coated with a TiO₂ layer. Adulteration in benzene-petrol and xylene-petrol is detected using concentration mixing with 10% increments in each case. The experimental outcomes of sensitivity and Bragg wavelength shifting were studied. TiO₂-coated eFBG sensors achieved the sensitivities of 6.2 nm/RIU and 5.6 nm/RIU, which is 7% and 5% enhanced as compared to bare eFBG sensors in the case of benzene-petrol and xylene-petrol, respectively. This type of sensor is well-suited for on-road use in real-time.

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Md Tauseef Iqbal Ansari, Sanjeev Kumar Raghuwanshi, Azhar Shadab, and Santosh Kumar "Detection of petrol adulteration using TiO₂ coated etched clad based FBG sensor", Proc. SPIE 12417, Optical Components and Materials XX, 1241711 (14 March 2023); https://doi.org/10.1117/12.2647992

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