Relative humidity sensor based on SMS fiber structure using multimode coreless fiber

Sanif Syafrani; Agus M. Hatta; Apriani Kusumawardhani

doi:10.1117/12.2248498

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11 November 2016 Relative humidity sensor based on SMS fiber structure using multimode coreless fiber

Sanif Syafrani, Agus M. Hatta, Apriani Kusumawardhani

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Proceedings Volume 10150, Second International Seminar on Photonics, Optics, and Its Applications (ISPhOA 2016); 101500R (2016) https://doi.org/10.1117/12.2248498
Event: Second International Seminar on Photonics, Optics, and Its Applications (ISPhOA 2016), 2016, Bali, Indonesia

Abstract

Singlemode-Multimode-Singlemode (SMS) optical fiber structure using multimode coreless have been able to sense changes in relative humidity. In this experiment the measured humidity is 60 % -90 %, while the method is done by comparing the relative humidity changes with the change in output power in the optical fiber. Then the underlying phenomena is the change in the refractive index of air as the cladding MMF coreless due to changes in relative humidity. It has been done three length variations MMF coreless to add sensitivity sensor, and the obtained sensor by 22.30 mm MMF length have the greatest sensitivity, that is 0.0747 dBm / %. Obtained conclusions on length variation will cause any change in the sensitivity significantly in relative humidity between 75 % -80 %.

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Sanif Syafrani, Agus M. Hatta, and Apriani Kusumawardhani "Relative humidity sensor based on SMS fiber structure using multimode coreless fiber", Proc. SPIE 10150, Second International Seminar on Photonics, Optics, and Its Applications (ISPhOA 2016), 101500R (11 November 2016); https://doi.org/10.1117/12.2248498

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