Gradient Impedance Matching Layer

Broadband Water Sound Transmission

Enables efficient broadband acoustic transmission across the water-air interface, overcoming the narrowband limitations of conventional resonance-based approaches.

Ping, Zhou · Jia, Han · Bi, Yafeng · Yunhan, Yang · Yang, Yuzhen · Zhang, Peng · Yang, Jun

Applied Physics Letters 2023

Specifications

enhancement above dB
{'zh': '16.7', 'en': '1760'} Hz

Advantages

Across the water-air interface

Transmission of a multicolor picture from air to water, demonstrating extremely high communication capacity and accuracy