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Methods for increasing transmission through scattering random media
Methods for increasing transmission through scattering random media
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机译:通过散射随机介质增加传输的方法
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摘要
The method, system, and computer-readable medium increase transmission of waves through a highly scattering random medium. Transmission is increased by iteratively refining wavefronts using measurements of the backscatter wavefronts resulting from transmission of waves into the medium. The process of double phase conjugation by time-reversing a wavefront, transmitting the time-reversed wavefront into the medium, and time-reversing the reversing backscatter wavefront is leveraged to implement the method in a physical system using a phase conjugate mirror. In an embodiment, transmission may be increased by phase-only modulation of the wavefronts. In an embodiment, the invention may be used to focus transmission through the medium to a location opposite the wave source.
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