Design of SMS (Single mode-Multi mode coreless-Single mode) optical fiber as corrosion sensor

Putri Yeni Aisyah; Agus M. Hatta; Detak Yan Pratama

doi:10.1117/12.2248493

11 November 2016 Design of SMS (Single mode-Multi mode coreless-Single mode) optical fiber as corrosion sensor

Putri Yeni Aisyah, Agus M. Hatta, Detak Yan Pratama

Proceedings Volume 10150, Second International Seminar on Photonics, Optics, and Its Applications (ISPhOA 2016); 101500Q (2016) https://doi.org/10.1117/12.2248493
Event: Second International Seminar on Photonics, Optics, and Its Applications (ISPhOA 2016), 2016, Bali, Indonesia

Abstract

Conventional corrosion sensors such as ultrasonic guided waves, eddy current and thermography have been widely applied, however, these sensors have disadvantage of suffering from additional damage, as these sensors are placed in corrosive environment, often hidden and could not be directly observed, therefore corrosion inspection using conventional sensor is much more expensive and time consuming. Usage of optical fiber as corrosion sensor, based on changes in light intensity due to corrosion effect, is an alternative to overcome the disadvantage of conventional sensors. We proposed to use Single mode – Multimode Coreless – Single mode structured optical fiber as sensor. Multimode section of the optical fiber is coated with aluminium as the corrosion object. Experiment result shows that the corrosion process have an effect of decreasing the output sensor power as the corrosion rate increasing. Experimental test is conducted on the sensor, in which time interval of corrosion treatment is 9 hours. It is obtained from the test result that the highest value of output power is 13.19 dBm. Furthermore when the weight loss range of aluminium layer is 0 – 140 mg after corrosion treatment and the length of multimode fiber is 10 mm, the highest sensitivity of the sensor is 0.094 dBm/mg.

Citation Download Citation

Putri Yeni Aisyah, Agus M. Hatta, and Detak Yan Pratama "Design of SMS (Single mode-Multi mode coreless-Single mode) optical fiber as corrosion sensor", Proc. SPIE 10150, Second International Seminar on Photonics, Optics, and Its Applications (ISPhOA 2016), 101500Q (11 November 2016); https://doi.org/10.1117/12.2248493

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