Amazing optical microphone can separate multiple instruments from afar
A Miniature Fiber-Optic Microphone Based on an Annular Corrugated MEMS Diaphragm | Semantic Scholar
PDF] Optical Microphone as Laser-Ultrasound Detector | Semantic Scholar
Amazon.com: Sound Town 16 Channels Wireless Microphone Karaoke Mixer System with Optical (Toslink), AUX and 2 Handheld Microphones - Supports Smart TV, Home Theater, Sound Bar (SWM16-PRO) : Musical Instruments
Contactless inspection of CFRP artificial disbonds using combined laser thermography and laser ultrasonics with optical microphone - ScienceDirect
Optical microphone offers greater sensitivity
Schematic of the membrane-free optical microphone by Xarion [77]. | Download Scientific Diagram