Acoustography: it could be a practical ultrasonic NDE tool for composites

Jaswinder S. Sandhu; Honghui Wang; Witold J. Popek; Patrick J. Sincebaugh

doi:10.1117/12.435557

3 August 2001 Acoustography: it could be a practical ultrasonic NDE tool for composites

Jaswinder S. Sandhu, Honghui Wang, Witold J. Popek, Patrick J. Sincebaugh

Proceedings Volume 4336, Nondestructive Evaluation of Materials and Composites V; (2001) https://doi.org/10.1117/12.435557
Event: 6th Annual International Symposium on NDE for Health Monitoring and Diagnostics, 2001, Newport Beach, CA, United States

Abstract

Acoustography is a full field, large area ultrasonic imaging method where a novel, wide area acousto-optic (AO) sensor is employed to form ultrasonic images similarly to real-time x-ray imaging. The AO sensor converts ultrasound directly into a visual image due to the inherent acousto-optic property of a proprietary mesophase material contained in the AO sensor. The AO sensor also offers exceptionally high pixel resolution, as a continuous layer of the mesophase material, with sensing molecules on the order of 20 Angstroms in size, senses the ultrasound. This paper will report on progress being made under a SBIR project to develop acoustography as an efficient and economical alternative to conventional point-by-point ultrasonic scanning (e.g. A-scan, C-scan).

Citation Download Citation

Jaswinder S. Sandhu, Honghui Wang, Witold J. Popek, and Patrick J. Sincebaugh "Acoustography: it could be a practical ultrasonic NDE tool for composites", Proc. SPIE 4336, Nondestructive Evaluation of Materials and Composites V, (3 August 2001); https://doi.org/10.1117/12.435557

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