[CWP13A] Optical Signal Processing for FSO and Sensing

[CWP13A-05] Improvement of Visualization of Sound Wave Propagation by Optical Microphone based on Digital Holography

Kohei Itaya¹, Xiangyu Quan¹, Yasuhiro Awatsuji², *Osamu Matoba¹ (1. Kobe Univ. (Japan), 2. Kyoto Inst. Tech. (Japan))

[Presentation Style] Onsite

In the optical microphone based on digital holography, the noise reduction method of phase images of sound fields is applied and then it is verified that the propagation of sound waves is more clearly observed.