Ultrasonic grating

An ultrasonic grating is a type of diffraction grating produced by interfering ultrasonic waves in a medium altering the physical properties of the medium, and hence the refractive index, in a grid-like pattern. The term acoustic grating is a more general term and can include operation at audible frequencies as well as ultrasonics.

单词	Acoustic grating
释义	Acoustic grating 英语百科 Ultrasonic grating An ultrasonic grating is a type of diffraction grating produced by interfering ultrasonic waves in a medium altering the physical properties of the medium, and hence the refractive index, in a grid-like pattern. The term acoustic grating is a more general term and can include operation at audible frequencies as well as ultrasonics.
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Acoustic grating

Ultrasonic grating