Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/8438
Title: Photonic crystal fiber with two infiltrated air holes for temperature sensing with excellent temporal stability
Authors: Yang, M
Wang, DN 
Keywords: Femtosecond (fs) laser ablation
optical fiber interferometer
optical fiber sensors
photonic crystal fiber (PCF)
Issue Date: 2012
Publisher: Institute of Electrical and Electronics Engineers
Source: Journal of lightwave technology, 2012, v. 30, no. 21, 6309999, p. 3407-3412 How to cite?
Journal: Journal of lightwave technology 
Abstract: A photonic crystal fiber sensor is created by infiltrating liquid with higher refractive index than background silica into two adjacent air holes situated in different layers. When the refractive index of the liquid is decreased to that of silica by heating, the two liquid rods and the solid core form a three-parallel-waveguide structure, which enables efficient mode energy coupling between the two eigenmodes and results in an interference fringe pattern. Theoretical analysis has been carried out to reveal the modes involved in the interference.Moreover, the temporal stability of the device is enhanced by inserting short sections of ultraviolet curable glue at both ends of the liquid, followed by solidification, to prevent the liquidir interface fluctuation. The temperature sensitivity achieved is nm/ C, in the range between 45 and 50 C.
URI: http://hdl.handle.net/10397/8438
ISSN: 0733-8724
EISSN: 1558-2213
DOI: 10.1109/JLT.2012.2220121
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