A new methodology for the development of miniature photoacoustic trace gas sensors using
3D printing is presented. A near-infrared distributed feedback (DFB) laser is used together …

We report on the development of a microelectromechanical systems (MEMS)-scale
photoacoustic sensor for the detection of trace gases. A mid-infrared quantum cascade laser …

The development of a microelectromechanical systems-scale photoacoustic chemical
sensor is described. Specifically, both a pulsed and a modulated continuous wave quantum …

Piezoelectric MEMS acoustic sensors have potential applications in a wide variety of
applications including hearing aids, surveillance, heart monitoring, etc. For each of these …

摘要光声光谱技术用于探测痕量气体的浓度, 小型化集成的光声光谱气体传感器利于实现便携式
在线检测. 光声探测作为光声光谱的关键技术决定了系统的灵敏度和体积 …

A resonant photoacoustic cell intended for laser-spectroscopy gas sensing is represented.
This cell is a miniature imitation of a macro-scale banana-shaped cell developed previously …

Photoacoustic spectroscopy is a useful monitoring technique that is well suited for trace gas
detection. The technique also possesses favorable detection characteristics when the …

We present a miniature prototype of a resonance photoacoustic cell with a banana-shaped
internal cavity with a volume of less than∼ 5 mm 3. The cell design and the experimental …

Photoacoustic spectroscopy is a useful monitoring technique that is well suited for trace gas
detection. The technique also possesses favorable detection characteristics when the …

A resonant photoacoustic cell capable of detecting the traces of gases at an amplitude-
modulation regime is represented. The cell is designed so as to minimize the window …