This content is not included in your SAE MOBILUS subscription, or you are not logged in.
Diode-Laser Spectral Absorption-Based Gas Species Sensor for Life Support Applications
ISSN: 0148-7191, e-ISSN: 2688-3627
Published July 01, 1997 by SAE International in United States
Annotation ability available
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.
CitationHe, 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.
- Bjorklund G. “Frequency-modulation spectroscopy: a new method for measuring weak absorption and dispersions,” Opt. Lett. 5 15 17 1980
- Hobbs P. C. July 1992
- Allen M. “Ultrasensitive dual-beam absorption and gain spectroscopy: applications for near-infrared and visible diode laser sensors,” Appl. Opt. 34 3240 3249 1995