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Fiber-Optic Sensor Using Bending-Sensitive Fiber  

Lee Dong ho (경북대학교 공과대학 전자공학과)
Kwon Kwang Hee (LG 전선 안양연구소)
Lee Cherl hee (경북대학교 공과대학 전자공학과)
Song Jae Won (경북대학교 공과대학 전자공학과)
park Jae hee (계명대학교 전자공학과)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.29, no.10A, 2004 , pp. 1200-1204 More about this Journal
Abstract
Fiber-optic sensor (FOS) using bending-sensitive fiber (BSF which detects physical variables according to the variation of fiber-bending is proposed. BSF is already used in variable optical attenuator. Three-dimensional finite difference beam propagation method (3D FD-BPM) is used to investigate the bending loss of BSF. Then, the results of bending experiment with FOS consisting of BSF is compared to numerical results of 3D FD-BPM. In particular, the optical power of fabricated FOS with BSF varies from -ldB to -2OdB when pressure given to the upper side of FOS changes from 0 MPa to 0.005 MPa, while the FOS consists of SMF shows no change of optical power at the same condition.
Keywords
FD-BPM; optical fiber; bending loss; fiber-optic sensor; fabrication;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
연도 인용수 순위
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