Designable hybrid sonic crystals for transportation and division of acoustic images

TL;DR

This paper introduces hybrid sonic crystal devices capable of producing multiple, designable acoustic images from a single source, enhancing flexibility in ultrasonic imaging applications.

Contribution

The paper presents a novel hybrid sonic crystal design that enables multi-image formation and customizable image positions, surpassing traditional single-image, fixed-position sonic crystal devices.

Findings

Able to generate multiple acoustic images from one source

Supports imaging of both point sources and Gaussian beams

Features simple fabrication and versatile application potential

Abstract

Conventional sonic crystal (SC) devices designed for acoustic imaging can focus acoustic waves from an input source into only one image but not multi-images. Furthermore the output position of formed image cannot be designed at will. In this paper, we propose the hybrid SC imaging devices to achieve multi-images from one-source-input along with the designable image-positions. The proposed hybrid devices can image acoustic waves radiated both from point source and Gaussian beam, which different from conventional SC imaging devices that only applies to point source. These multi-functional but still simple and easy-to-fabricate devices are believed to find extensive applications, particularly in ultrasonic photography and compact acoustic imaging.