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Title: Long period gratings in air-core photonic bandgap fibers
Authors: Wang, Y
Jin, W 
Ju, J
Xuan, H
Ho, HL
Xiao, L
Wang, D 
Keywords: Laser cladding
Laser pulses
Optical fibers
Photonic band gap
Refractive index
Issue Date: 18-Feb-2008
Publisher: Optical Society of America
Source: Optics express, 18 Feb. 2008, v. 16, no. 4, p. 2784-2790 How to cite?
Journal: Optics express 
Abstract: Long period fiber gratings in hollow-core air-silica photonic bandgap fibers were produced by use of high frequency, short duration, CO₂ laser pulses to periodically modify the size, shape and distribution of air holes in the microstructured cladding. The resonant wavelength of these gratings is highly sensitivity to strain but insensitive to temperature, bend and external refractive index. These gratings can be used as stable spectral filters and novel sensors.
ISSN: 1094-4087
DOI: 10.1364/OE.16.002784
Rights: © 2008 Optical Society of America. This paper was published in Optics Express and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.
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