My research is on acoustic levitation and acoustic holograms. Acoustic levitation is a method of levitating a light object in mid-air using a focused beam of ultrasound. Since the introduction of the phased array levitator (PAL) in 2014, the acoustophoretic volumetric display has been developed and centi-meter scale object can now be levitated. My research interest ranges from the fundamental research on acoustic levitation (e.g. nonlinear dynamics, acoustic holograms) to applications of acoustic levitation.