$sound beam diffraction$

Sound Beam Diffraction: A New Frontier in Acoustic Technology

$sound beam diffraction$

The development of acoustic diffraction-resistant adaptive profile technology, or ADAPT, has opened up new possibilities for shaping and controlling sound beams with unprecedented precision. In a recent report published in Science Advances, a team of scientists from the Massachusetts General Hospital in the US have demonstrated the potential of ADAPT to generate propagation-invariant beams with desired profiles.

Conventional methods for generating acoustic beams have been limited by their inability to fully regulate the pressure profile relative to its propagation path. However, ADAPT-based beams offer a solution to this problem by allowing for compression, stretching, and division into different shapes. This technology has significant implications for ultrasound imaging, acoustic regulation, and stimulation.

The ADAPT-based beam-shaping mechanism involves a combination of nonlinearity, diffraction, and absorption in the focal region. By using a Fourier series expansion of the acoustic pressure, the team was able to reduce the transformed KZK equation to a set of coupled parabolic equations that can be solved using a finite difference method.

The results show that the beam patterns in the focal region are less dependent on source amplitude and absorption than those in the farfield of unfocused sources. This is due to the fact that ADAPT-based beams are designed to account for the combined effects of nonlinearity, diffraction, and absorption.

In addition, the team demonstrated the ability to generate arbitrary axial acoustic profiles by expanding them as a superposition of various aligned Bessel beams with corresponding weights. This allows for greater flexibility in shaping the beam profile and tailoring it to specific applications.

The potential applications of ADAPT-based technology are vast, ranging from medical imaging and therapy to non-destructive testing and material processing. By enabling more precise control over sound waves, this technology has the potential to revolutionize a wide range of fields and industries.

$sound beam diffraction$

$sound beam diffraction$

In conclusion, the development of ADAPT-based acoustic diffraction-resistant adaptive profile technology is an exciting breakthrough that opens up new possibilities for shaping and controlling sound beams with unprecedented precision. The potential applications of this technology are vast, and it is likely to have a significant impact on various fields in the years to come.

$sound beam diffraction$

Sound beam diffraction