Paper
17 October 2012 Strain and temperature sensitivity of chiral long period fiber gratings
Hua-Xing Xu, Li Yang
Author Affiliations +
Proceedings Volume 8421, OFS2012 22nd International Conference on Optical Fiber Sensors; 84215D (2012) https://doi.org/10.1117/12.975261
Event: OFS2012 22nd International Conference on Optical Fiber Sensor, 2012, Beijing, China
Abstract
Mode couplings of the core modes to cladding modes with both lower and higher angular orders in chiral long period gratings (CLPGs) are analyzed. The sensing sensitivity of the resonant wavelength in response to strain and temperature are demonstrated, respectively. Both single- and double-helix CLPGs formed by silica and polymer fiber are considered. This provides useful guidance for practical designs of CLPGs to enhance the optical sensing sensitivity of the strain and temperature, or to decrease the environmental influence on spectral characteristics of CLPGs.
© (2012) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Hua-Xing Xu and Li Yang "Strain and temperature sensitivity of chiral long period fiber gratings", Proc. SPIE 8421, OFS2012 22nd International Conference on Optical Fiber Sensors, 84215D (17 October 2012); https://doi.org/10.1117/12.975261
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KEYWORDS
Cladding

Polymers

Silica

Optical fibers

Optical sensing

Refractive index

Thermal optics

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