Cantilever-enhanced photoacoustic microprobe

5 ppb detection limit

A fiber-optic photoacoustic microprobe using an F-P interferometric cantilever for passive, EMI-immune, low-cost SO₂ detection.

Zhao, Xinyu · Qi, Hongchao · Zhengzhi, Wang · Ma, Fengxiang · Li, Chenxi · Guo, Min · Chen, Ke

Sensors and Actuators, B: Chemical 2024

Specifications

光声腔体积仅

{'zh': '119', 'en': ''} μL

背景检测限

{'zh': '35', 'en': ''} ppb

背景检测限

{'zh': '5', 'en': ''} ppb

外部腔流量

{'zh': '250', 'en': ''} SCCM