Diode-Laser Spectral Absorption-Based Gas Species Sensor for Life Support Applications 972388
We present the development of a semiconductor diode laser spectral absorption based gas species sensor for oxygen concentration measurements, intended for life support system monitoring and control applications. Employing a novel self-compensating, noise cancellation detection approach, we experimentally demonstrate better than 1% accuracy, linearity, and stability for monitoring breathing air conditions with 0.2 second response time. We also discuss applications of this approach to CO2 sensing.
Citation: He, G., Bruce, L., and Shand, M., "Diode-Laser Spectral Absorption-Based Gas Species Sensor for Life Support Applications," SAE Technical Paper 972388, 1997, https://doi.org/10.4271/972388. Download Citation
Author(s):
Gang He, Lennox Bruce, Mike Shand
Affiliated:
AlliedSignal Aerospace
Pages: 8
Event:
International Conference On Environmental Systems
ISSN:
0148-7191
e-ISSN:
2688-3627
Related Topics:
Life support systems
Reaction and response times
Gases
Sensors and actuators
Oxygen
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