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23 May 2005 Acoustic emission and elastic wave measurements by using a new fiber-optic (DEFEW) sensor
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Proceedings Volume 5855, 17th International Conference on Optical Fibre Sensors; (2005) https://doi.org/10.1117/12.623601
Event: 17th International Conference on Optical Fibre Sensors, 2005, Bruges, Belgium
Abstract
A new fiber-optic acoustic/vibration sensor has been developed. The sensor is based on Doppler effect in flexible and expandable light-waveguide (DEFEW). The DEFEW sensor has extremely high sensitivity in wide band of frequency range. The sensing technology is applied to high speed phenomena, for examples, breakage of carbon fiber in matrix resin and elastic wave propagation impacted by electrical discharge. The demonstrated results show that the DEFEW sensor is applicable to nondestructive damage detection for structural health monitoring.
© (2005) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
K. Kageyama, H. Murayama, Isamu Ohsawa, K. Uzawa, Makoto Kanai, Y. Akematsu, M. Matsuo, and T. Matsuo "Acoustic emission and elastic wave measurements by using a new fiber-optic (DEFEW) sensor", Proc. SPIE 5855, 17th International Conference on Optical Fibre Sensors, (23 May 2005); https://doi.org/10.1117/12.623601
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