2 papers
physics.ins-det2025
Optical sound pressure measurement using Fabry-Pérot cavity for primary acoustic standards
Koto Hirano, Wataru Kokuyama, Hajime Inaba +5
Optical sound pressure measurement is a promising technology to establish primary acoustic standards without reliance on specific types of microphones. We developed a precision opt…
physics.ins-det2025
Comparison calibration system for digital-output infrasound sensors
Koto Hirano, Hironobu Takahashi, Keisuke Yamada +2
Recent advancements in micro electro-mechanical systems (MEMS) have enabled the application of digital-output MEMS modules in infrasound monitoring. These modules, combining MEMS p…