AI Insight
Researchers from the University of Tsukuba and the University of Bristol have developed a novel acoustic levitation technique using narrow ultrasonic beams that can levitate and manipulate small objects in midair at distances up to 40 centimeters. This represents a sixfold increase in levitation distance compared to conventional acoustic levitation methods. The technique maintains stable three-dimensional positioning of objects while operating at these extended ranges.
Why it matters
This advancement could enable new applications in contactless material handling, pharmaceutical manufacturing, and laboratory settings where contamination-free manipulation of sensitive samples is critical. The extended operational range makes acoustic levitation more practical for industrial and scientific applications that were previously limited by short working distances.
Understand the Science
Scientists have developed a new acoustic levitation technique using an ultrasonic beam capable of levitating and moving small objects in midair over distances of up to 40 cm (16 inches), six times farther than previously achieved using conventional methods. The study, carried out by a research team from the University of Tsukuba in Japan and the University of Bristol, was published in the journal Physical Review Letters.
Source: Narrow ultrasonic beam enables stable 3D levitation six times farther than before