Non-classical second-order nonlinear elastic wave interactions
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We report a novel ultrasonic measurement technique based on non-classical nonlinear evanescent field interactions. We demonstrate significant enhancement in sensitivity of contactless measurements at interfaces, with the potential to detect material degradation, such as fatigue and ageing, which is currently not possible using linear ultrasonics.
Demčenko , A , Mazilu , M , Wilson , R , Reboud , J & Cooper , J 2019 , Non-classical second-order nonlinear elastic wave interactions . in Proceedings 2019 IEEE International Ultrasonics Symposium (IUS) . IEEE International Ultrasonics Symposium (IUS) , Institute of Electrical and Electronics Engineers Inc. , pp. 158-161 , 2019 IEEE International Ultrasonics Symposium (IUS) , Glasgow , United Kingdom , 6/10/19 . https://doi.org/10.1109/ULTSYM.2019.8925682conference
Proceedings 2019 IEEE International Ultrasonics Symposium (IUS)
Copyright © 2019 IEEE. This work has been made available online in accordance with publisher policies or with permission. Permission for further reuse of this content should be sought from the publisher or the rights holder. This is the author created accepted manuscript following peer review and may differ slightly from the final published version. The final published version of this work is available at https://doi.org/10.1109/ULTSYM.2019.8925682
DescriptionFunding: UK Engineering and Physical Sciences Research Council Fellowship under Grant EP/K027611/1 and in part by the European Research Council advanced investigator award under Grant 340117.
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