Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/4615
Title: CO₂ laser induced long period gratings in optical microfibers
Authors: Xuan, H
Jin, W 
Zhang, M
Issue Date: 23-Nov-2009
Source: Optics express, 23 Nov. 2009, v. 17, no. 24, p. 21882-21890
Abstract: Long period gratings (LPGs) are fabricated by use of focused high frequency CO₂ laser pulses to periodically modify the transverse dimension of silica microfibers. A 20-period LPG with a 27dB attenuation dip is realized in a microfiber with a diameter of ~6.3μm. The resonant wavelength has a negative temperature coefficient and a high sensitivity to external refractive index. The microfiber LPGs may be useful in micron scale in-fiber devices and sensors.
Keywords: Fiber optic sensors
Lasers
Refractive index
Silica
Publisher: Optical Society of America
Journal: Optics express 
EISSN: 1094-4087
DOI: 10.1364/OE.17.021882
Rights: © 2009 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-17-24-21882. 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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