Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/33798
Title: Selectively infiltrated PCF for directional bend sensing with large bending range
Authors: Chen, HF
Wang, Y
Wang, DN 
Keywords: Bend sensing
Optical fiber sensor
Selectively infiltrated photonic crystal fiber
Issue Date: 2015
Publisher: Institute of Electrical and Electronics Engineers
Source: IEEE photonics technology letters, 2015, v. 27, no. 5, 6990540, p. 502-505 How to cite?
Journal: IEEE photonics technology letters 
Abstract: A directional bend sensor based on selectively infiltrated photonic crystal fiber is demonstrated. The device is fabricated by use of femtosecond laser micromachining technique and fusion splicing of photonic crystal fiber with single-mode fiber. By infiltrating refractive index liquid into one of the air holes of the photonic crystal fiber, the core mode can be coupled into the higher order liquid rod mode, thus producing a resonant dip in the transmission spectrum of the device. Such a dip wavelength is sensitive to both the bending curvature and the direction, and has a linear response to curvature within a large range from 0 to 10.7 m -1.
URI: http://hdl.handle.net/10397/33798
ISSN: 1041-1135
EISSN: 1941-0174
DOI: 10.1109/LPT.2014.2382654
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