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Ultrasonic Lens Based on a Subwavelength Slit Surrounded by Grooves
The lensing capabilities of a single subwavelength slit surrounded by a finite array of grooves milled into a brass plate is presented. The modulation of the beam intensity of this ultrasonic lens can be adjusted by varying the groove depth. Numerical simulations as well as experimental validations...
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| Main Authors: | , , , , |
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| Format: | Artigo |
| Language: | Inglês |
| Published: |
Molecular Diversity Preservation International (MDPI)
2014
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| Subjects: | |
| Online Access: | https://ncbi.nlm.nih.gov/pmc/articles/PMC4063062/ https://ncbi.nlm.nih.gov/pubmed/24854059 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.3390/s140508821 |
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