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Proceedings Paper

Effect of a waist diameter of a polarization-maintaining fiber on ambient index sensitivity
Author(s): Min-Seok Yoon; Soo Kyung Kim; Cheol-Ju Kang; Young-Geun Han
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Paper Abstract

We investigate the effect of a waist diameter of a polarization-maintaining fiber (PMF) on ambient index and temperature sensitivities by configuring a Sagnac loop interferometer. To make the PMF sensitive to external index change, a micro-tapering technique is exploited to fabricate the tapered PMF. The Sagnac loop interfoermeter is fabricated by using the tapered PMF with various waist diameters. The reduction of the PMF diameter results in the enhancement of the ambient index sensitivity of the tapered-PMF-based Sagnac interferometer. However, the temperature sensitivities of the proposed Sagnac interferometers are not changed by reducing the waist diameters of the PMFs.

Paper Details

Date Published: 2 June 2014
PDF: 4 pages
Proc. SPIE 9157, 23rd International Conference on Optical Fibre Sensors, 91570S (2 June 2014); doi: 10.1117/12.2058773
Show Author Affiliations
Min-Seok Yoon, Hanyang Univ. (Korea, Republic of)
Soo Kyung Kim, Hanyang Univ. (Korea, Republic of)
Cheol-Ju Kang, Hanyang Univ. (Korea, Republic of)
Young-Geun Han, Hanyang Univ. (Korea, Republic of)


Published in SPIE Proceedings Vol. 9157:
23rd International Conference on Optical Fibre Sensors
José M. López-Higuera; Julian D. C. Jones; Manuel López-Amo; José Luis Santos, Editor(s)

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