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What is Laser Microphone for Photoacoustic Detection about?

This document presents a novel laser-based microphone designed for photoacoustic applications, showcasing its ability to detect minute displacements in diaphragm surfaces with significantly improved sensitivity. The technology utilizes pulsed illumination and photo-electromotive-force sensors to monitor pressure waves, making it suitable for detecting explosive molecules and compounds from a distance. Preliminary experiments validate the effectiveness of this laser microphone in various applications, includ

Author

Philip Mihailescu

Language

EN