An asymmetric double-hemispherical cylindrical coupled multi-resonant fiber-optic photoacoustic sensor for simultaneous detection of CH4, C2H2, and CO2

Puntos clave

• Simultaneous detection of CH4, C2H2, and CO2 was achieved using a novel photoacoustic sensor.
• The sensor operates on multiple resonant frequencies for improved accuracy in measurements.
• Developed using a unique asymmetric double-hemispherical cylindrical design to optimize performance.
• The findings suggest a significant advancement in gas detection technologies particularly for environmental monitoring.