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Proceedings Paper

Development of micro-tapered long-period fiber gratings written in tapered fibers with different diameters for enhancement of strain sensitivity
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Paper Abstract

Micro-tapered long-period fiber gratings (MT-LPFGs) written in tapered fibers with different diameters of 125, 100, 75, and 50 μm are fabricated and their transmission characteristics with variations in strain and temperature are investigated. Since the variation of the refractive index with the applied strain change is inversely proportional to the cross section area of the MT-LPFGs, the strain sensitivity of the MT-LPFGs is further improved. The temperature sensitivity is also enhanced by reducing the diameter of the tapered fiber. The experimental results are very useful for discrimination of strain and temperature sensitivities.

Paper Details

Date Published: 17 October 2012
PDF: 4 pages
Proc. SPIE 8421, OFS2012 22nd International Conference on Optical Fiber Sensors, 84213S (17 October 2012); doi: 10.1117/12.966376
Show Author Affiliations
Min-Seok Yoon, Hanyang Univ. (Korea, Republic of)
Sung-Jae Kim, Hanyang Univ. (Korea, Republic of)
Hyun-Joo Kim, Hanyang Univ. (Korea, Republic of)
Young-Guen Han, Hanyang Univ. (Korea, Republic of)


Published in SPIE Proceedings Vol. 8421:
OFS2012 22nd International Conference on Optical Fiber Sensors
Yanbiao Liao; Wei Jin; David D. Sampson; Ryozo Yamauchi; Youngjoo Chung; Kentaro Nakamura; Yunjiang Rao, Editor(s)

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