Detection of acoustic emission signals in the polymer composite material by adaptive fiber-optic sensors

Oleg V. Bashkov; Roman V. Romashko; Valeriy I. Zaykov; Alexander E. Protsenko; Michail N. Bezruk; Han Htoo

doi:10.1117/12.2268226

14 December 2016 Detection of acoustic emission signals in the polymer composite material by adaptive fiber-optic sensors

Oleg V. Bashkov, Roman V. Romashko, Valeriy I. Zaykov, Alexander E. Protsenko, Michail N. Bezruk, Han Htoo

Author Affiliations +

Proceedings Volume 10176, Asia-Pacific Conference on Fundamental Problems of Opto- and Microelectronics; 1017613 (2016) https://doi.org/10.1117/12.2268226
Event: Asia-Pacific Conference on Fundamental Problems of Opto- and Microelectronics, 2016, Khabarovsk, Russia

Abstract

The paper presents the results of an analysis of the acoustic emission signals recorded both by piezoelectric and adaptive fiber-optical sensors. Fiber-optical sensors have been embedded into the polymer composite material during their manufacture. Fiber-optical sensors are designed on the base of adaptive interferometer that uses a dynamic hologram formed in the photorefractive crystal. It has been shown that the sensitivity of adaptive interferometer allows the detection of acoustic emission signals generated by the Hsu-Nielsen source. Peculiarities of material sound velocity determination with use of acoustic signals detected by distributed fiber-optical sensors are discussed.

Citation Download Citation

Oleg V. Bashkov, Roman V. Romashko, Valeriy I. Zaykov, Alexander E. Protsenko, Michail N. Bezruk, and Han Htoo "Detection of acoustic emission signals in the polymer composite material by adaptive fiber-optic sensors", Proc. SPIE 10176, Asia-Pacific Conference on Fundamental Problems of Opto- and Microelectronics, 1017613 (14 December 2016); https://doi.org/10.1117/12.2268226

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