Discrimination of bending and temperature sensitivities with phase-shifted long-period fiber gratings depending on initial coupling strength

Optics Express

Volumn 12, Issue 14, 2004, Pages 3204-3208

  Han, Young Geun ^a   Lee, Ju Han ^a   Lee, Sang Bae ^a  

^a Korea Institute of Science and Technology   (South Korea)

Author keywords

[No Author keywords available]

Indexed keywords

BANDWIDTH; ELECTROMAGNETIC WAVE PROPAGATION; FIBER BRAGG GRATINGS; MATRIX ALGEBRA; PERTURBATION TECHNIQUES; PHOTOSENSITIVITY; REFRACTIVE INDEX; SENSITIVITY ANALYSIS; ULTRAVIOLET RADIATION;

FIBER OPTICS SENSORS; LONG-PERIOD FIBER GRATINGS (LPFG); PHOTOSENSITIVE FIBERS; TRANSMISSION SPECTRUM;

FIBER OPTICS;

EID: 4644251873     PISSN: 10944087     EISSN: None     Source Type: Journal    
DOI: 10.1364/OPEX.12.003204     Document Type: Article

References (8)

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2. Y. G. Han, C. S. Kim, K. Oh, U. C. Paek, and Y. Chung, "Performance enhancement of long-period fiber gratings for strain and temperature sensing, IEICE Trans. on Electronics E83-C, 282-286 (2000).
3. H. J. Patrick, C. C. Chang, and S. T. Vohra, "Long period fiber gratings for structural bend sensing," Electron. Lett. 34, 1773-1775 (1998).
4. Y. G. Han, B. H. Lee, W. T. Han, U. C. Paek, and Y. Chung, "Resonant Peak Shift and Dual Peak Separation of Long Period Gratings for Sensing Application," IEEE Photon. Technol. Lett. 13, 699-701 (2001).
5. X. Shu, Y. Liu, D. Zhao, B. Gwandu, F. Floreani, L. Zhang, and I. Bennion, "Fiber grating type dependence of temperature and strain coefficients and application to simultaneous temperature and strain measurement," in Proc. OFS 2002, 83-86 (2002).
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7. V. Dupray, M. Zeller, W. Zhang, J. Williams, K. Weir, and M. McCall, "Novel UV post-processed fiber Bragg grating sensor for temperature and strain measurements," in Proc. OFS 2000, 9-12 (2000).
8. M. LeBlanc, S. T. Vohra, T. E. Tsai, and E. J. Friebele, "Transverse load sensing by use of pi-phase-shifted fiber Bragg gratings," Opt. Lett. 24, 1091-1093 (1999).