Fiber-Optic Photoacoustic Gas Sensor Based on a Miniaturized Multi-pass Cell with an Elliptical Cross-section
Shengze Zhu, Heng Wang, Chun Sun, Xinyu Zhao, Hongchao Qi, Yufu Xu, Chenxi Li, Xiaona Wang, Ke Chen
Topics & Concepts
Photoacoustic imaging in biomedicinePhotoacoustic effectOpticsMaterials scienceSIGNAL (programming language)DetectorPhotoacoustic spectroscopyVolume (thermodynamics)CantileverAbsorption (acoustics)Sensitivity (control systems)Tube (container)Path lengthNoise (video)Signal-to-noise ratio (imaging)Trace gasAttenuation coefficientOptoelectronicsPhotoacoustic Doppler effectOptical path lengthIntensity (physics)Spectroscopy and Laser ApplicationsPhotoacoustic and Ultrasonic ImagingThermography and Photoacoustic Techniques