Alcohol sensor based on u-bent hetero-structured fiber optic

Sefi N. Patrialova; Agus M. Hatta; Sekartedjo Sekartedjo

doi:10.1117/12.2248500

11 November 2016 Alcohol sensor based on u-bent hetero-structured fiber optic

Sefi N. Patrialova, Agus M. Hatta, Sekartedjo Sekartedjo

Proceedings Volume 10150, Second International Seminar on Photonics, Optics, and Its Applications (ISPhOA 2016); 101501F (2016) https://doi.org/10.1117/12.2248500
Event: Second International Seminar on Photonics, Optics, and Its Applications (ISPhOA 2016), 2016, Bali, Indonesia

Abstract

A sensor based on a fiber optic hetero-structure to determine the concentration of alcohol has been proposed. The structure of the sensing probe in this research is a singlemode-multimode-singlemode (SMS) which bent into Ushaped and soon called as SMS u-bent. The SMS structure was chosen to get a higher sensitivity. This research utilizes the principle of multimode interference and evanescent field by modifying the cladding with various alcohol concentration. Testing of the sensor’s performance has been done by measuring the sensor’s power output response to the length of the SMS fiber optic, bending diameter, and alcohol concentration. Based on the experiment result, the ubent SMS fiber optic with 50 mm bending diameter and 63 mm MMF lenght has the highest sensitivity, 3.87 dB/% and the minimum resolution, 0.26 x 10^-3 %.

Citation Download Citation

Sefi N. Patrialova, Agus M. Hatta, and Sekartedjo Sekartedjo "Alcohol sensor based on u-bent hetero-structured fiber optic ", Proc. SPIE 10150, Second International Seminar on Photonics, Optics, and Its Applications (ISPhOA 2016), 101501F (11 November 2016); https://doi.org/10.1117/12.2248500

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