Bend sensing using optical fibre long period gratings

Stephen W. James

doi:10.1117/12.2302176

9 November 2000 Bend sensing using optical fibre long period gratings

Stephen W. James

Proceedings Volume 4185, Fourteenth International Conference on Optical Fiber Sensors; 41850X (2000) https://doi.org/10.1117/12.2302176
Event: Fourteenth International Conference on Optical Fiber Sensors, 2000, Venice, Italy

Abstract

The attenuation bands of the transmission spectrum of a long period grating subjected to bending are observed to split into two. The split attenuation bands' wavelength separation increases significantly with increasing bend curvature. This effect is exploited to allow the measurement of bending in structures.

Citation Download Citation

Stephen W. James "Bend sensing using optical fibre long period gratings", Proc. SPIE 4185, Fourteenth International Conference on Optical Fiber Sensors, 41850X (9 November 2000); https://doi.org/10.1117/12.2302176

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