Air-coupled ultrasonic transducers are widely used in non-destructive testing, acoustical sonar systems, and biomedical imaging. These applications require transducers that operate effectively across ...

In a new study, researchers demonstrate long-term, non-invasive monitoring of blood sodium levels using a system that combines optoacoustic detection with terahertz spectroscopy. The paper is ...

NOTA TÉCNICA A low-cost ultrasonic spray dryer to produce spherical microparticles from polymeric matrices Priscilla Paiva Luz; Ana Maria Pires; Osvaldo Antonio Serra * Departamento de Química, ...

Wetted ultrasonic transit time flow meters typically consist of one or more pairs of transducers, containing piezoelectric elements, which alternate between transmitting and detecting an ultrasonic ...