Ma et al., 2019 - Google Patents
Far-field acoustic subwavelength imaging and edge detection based on spatial filtering and wave vector conversionMa et al., 2019
View HTML- Document ID
- 8916178242748444488
- Author
- Ma C
- Kim S
- Fang N
- Publication year
- Publication venue
- Nature communications
External Links
Snippet
The resolution of acoustic imaging suffers from diffraction limit due to the loss of evanescent field that carries subwavelength information. Most of the current methods for overcoming the diffraction limit in acoustics still operate in the near-field of the object. Here we demonstrate …
- 238000003384 imaging method 0 title abstract description 51
Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
- G02B6/00—Light guides
- G02B6/10—Light guides of the optical waveguide type
- G02B6/12—Light guides of the optical waveguide type of the integrated circuit kind
- G02B6/122—Light guides of the optical waveguide type of the integrated circuit kind basic optical elements, e.g. light-guiding paths
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