Strain and temperature sensitivities of an elliptical hollow-core photonic bandgap fiber based on Sagnac interferometer

Title
Strain and temperature sensitivities of an elliptical hollow-core photonic bandgap fiber based on Sagnac interferometer
Authors
김길환조태용황규진이관일이경식이상배
Issue Date
2009-02
Publisher
Optics express
Citation
VOL 17, NO 4, 2481-2486
Abstract
We fabricated an elliptical hollow-core photonic bandgap fiber (EC-PBGF) by controlling lateral tension in the hollow core region during the fiber drawing process. The absolute value of group modal birefringence becomes relatively high near the bandgap boundaries. We also experimentally measured the strain and temperature sensitivities of the fabricated EC-PBGF-based Sagnac loop interferometer. The strain and temperature sensitivities were very much dependent upon the wavelength. Moreover this PBGF-based interferometer can be a good sensor of physical parameters such as strain and temperature.
URI
http://pubs.kist.re.kr/handle/201004/34973
ISSN
1094-4087
Appears in Collections:
KIST Publication > Article
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