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Keywords: focussing
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Journal Articles
Publisher: ASME
Article Type: Research Papers
ASME J Nondestructive Evaluation. February 2025, 8(1): 011006.
Paper No: NDE-23-1053
Published Online: September 2, 2024
... regions. Although there is a small primary focal spot close to the expected focal region, the peak power at this spot was not significantly higher than in most of the secondary focal regions, and the actual focussing power is reduced compared to the single focal spot seen for the A0 mode. As the size...