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A Method to Improve the Resolution of the Acoustic Microscopy
classification
⚛️ physics.gen-ph
keywords
acousticfocusingimprovemicroscopyprincipleresolutionsub-wavelengthacoustically
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In this report, we demonstrate a new principle to improve the resolution of the acoustic microscopy, which is based on the sub-wavelength focusing of acoustic wave passing through an acoustically transparent mesoscale particle. In the principle, the width of the acoustic focal area can be less than one wavelength. The sub-wavelength focusing effect is verified by the FEM simulation.
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