Demo abstract: Laser-based trace-gas chemical sensors for distributed wireless sensor networks

Authors:
Stephen So;Ardalan Amiri Sani;Lin Zhong;Frank Tittel;Gerard Wysocki
Affiliations:
Princeton University, B321 EQuad, Electrical Engineering, USA;Rice University, 6100 S. Main St., ECE Dept MS366, USA;Rice University, 6100 S. Main St., ECE Dept MS366, USA;Rice University, 6100 S. Main St., ECE Dept MS366, USA;Princeton University, B321 EQuad, Electrical Engineering, USA
Venue:
IPSN '09 Proceedings of the 2009 International Conference on Information Processing in Sensor Networks
Year:
2009

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Abstract

We demonstrate low-power, integrated laser-based tracegas chemical sensor systems which directly interface to the Telos wireless sensor networking (WSN) modules. We will demonstrate a prototype sensor which measures atmospheric oxygen concentration configured as a battery powered, handheld unit with power consumption ≪0.3W, sensitivity of 0.07%, high specificity, and the robustness required for long term environmental sensing applications.