Journal
OPTICAL FIBER TECHNOLOGY
Volume 20, Issue 4, Pages 380-383Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.yofte.2014.04.009
Keywords
Photonic crystal fibers; Hydrostatic pressure sensor; Dual-core
Funding
- Beijing Municipal Education Commission [Km200910005019, Kz201110005010]
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We propose an asymmetric elliptical-hole dual-core photonic crystal fiber (AE-DC-PCF) for hydrostatic pressure sensing. The transmission spectra of the AE-DC-PCF under hydrostatic pressure and the relationship between pressure sensitivity and the minor axis ratio at different elliptical ratios have been calculated. Our results show that the AE-DC-PCF has higher pressure sensitivity than that of conventional dual-core photonic crystal (DC-PCF) fiber which has the circular-hole. Based on a 10 cm fiber, the pressure sensitivity of the AE-DC-PCF as high as 50.6 pm/MPa were achieved at 1.55 mu m, which is higher than the pressure sensitivity obtained from conventional DC-PCF (32.2 pm/MPa). (C) 2014 Elsevier Inc. All rights reserved.
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