Schlieren-style stroboscopic nonscan imaging of the field-amplitudes of acoustic whispering gallery modes

We report a schlieren-style stroboscopic phase-contrast field-amplitude imaging of two-dimensional acoustic whispering gallery modes in a ...

Source: Applied Optics - September 14, 2020 Category: Physics Authors: Jinuk Kim Juman Kim Jisung Seo Kyu-Won Park Songky Moon Kyungwon An Source Type: research