Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/4620
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Title: Long period fiber grating formed by periodically structured microholes in all-solid photonic bandgap fiber
Authors: Yang, M
Wang, D 
Wang, Y
Liao, C
Issue Date: 1-Feb-2010
Source: Optics express, 1 Feb. 2010, v. 18, no. 3, p. 2183-2189
Abstract: A new type long period fiber grating is fabricated in all-solid photonic bandgap fiber by periodically drilling microholes using femtosecond laser pulse irradiation. Such a structure introduces a strong refractive index modulation in the waveguide structure and hence exhibits a compact grating dimension. Both the simulation and the experimental results confirm the existence of the light coupling from core mode to the LP₁₁ cladding mode. The refractive index sensing capability of the device has been investigated and the resonant wavelength shift corresponding to the refractive index change from 1.30 to 1.35 is 23.7nm. The average refractive index sensitivity obtained is 537nm/RIU (refractive index unit).
Keywords: Energy gap
Fiber optic components
Fibers
Light refraction
Pulsed laser applications
Refractive index
Refractometers
Spontaneous emission
Ultrashort pulses
Waveguides
Publisher: Optical Society of America
Journal: Optics express 
EISSN: 1094-4087
DOI: 10.1364/OE.18.002183
Rights: © 2010 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: http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-18-3-2183. 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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