Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/11169
Title: Long-period grating fabricated using resistive filament heating
Authors: Shao, LY
Zhao, J
Dong, X
Tam, HY 
Lu, C 
He, S
Keywords: Fiber sensors
Long-period gratings
Polarization dependent loss
Taper
Issue Date: 2008
Publisher: SPIE-International Society for Optical Engineering
Source: Proceedings of SPIE : the International Society for Optical Engineering, 2008, v. 7004, 70044K How to cite?
Journal: Proceedings of SPIE : the International Society for Optical Engineering 
Abstract: We fabricate and demonstrate a long-period grating (LPG) by periodically tapering a section of standard single-mode fiber using resistive filament heating. The obtained LPG has a large peak transmission attenuation of-30.31 dB with only 22 periods in a 1.0-cm long optical fiber. Such a LPG exhibits unique characteristics for sensing applications. The bending and strain sensitivities are 1.74 nm m and 1.11 pm/με, respectively. The polarization dependent loss is large, up to 11.65dB, caused by asymmetric index profile in the cross section of the tapered LPG.
Description: 19th International Conference on Optical Fibre Sensors, Perth, WA, 15-18 April 2008
URI: http://hdl.handle.net/10397/11169
ISBN: 9780819472045
ISSN: 0277-786X
EISSN: 1996-756X
DOI: 10.1117/12.786108
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