Measurement of Oxygen Concentration Using Laser Diode Spectroscopy
Laser Spectroscopy provides a non-intrusive method for measuring the concentration of a species in a sample. This paper is part of the development of employing laser spectroscopy techniques outside of a lab setting. Monitoring the presence of gaseous oxygen within a fuel tank is of great importance due to the volatility of the fuel/oxygen mixture and the threat it creates to the area surrounding the fuel tank. A technique using absorption spectroscopy to monitor the concentration of oxygen within the tank has been developed. Light from a laser diode is sent through a test cell containing an unknown concentration of oxygen. Oxygen molecules absorb some of the light and a photodiode measures the amount of light that passes through the cell. A correlation between the amount of light through the test cell and the oxygen concentrations is obtained and compared with measured concentrations. It was found that there was a measurable difference in output from the photodiode when the concentration of oxygen was changed within the test cell. The laser diode system effectively monitors the oxygen concentration in real-time in the test cell and provides a simple and low-cost alternative to standard oxygen analyzers.
-
Availability:
- Find a library where document is available. Order URL: http://worldcat.org/isbn/1845640195
-
Corporate Authors:
Ashurst Lodge
Ashurst, Southampton United Kingdom SO40 7AA -
Authors:
- Disimile, P J
- Pyles, J M
- Toy, N
-
Conference:
- The First International Conference on Safety and Security Engineering (SAFE/05)
- Location: Rome , Italy
- Date: 2005-6-13 to 2005-6-15
- Publication Date: 2005-6
Language
- English
Media Info
- Media Type: Print
- Features: Figures; References;
- Pagination: pp 483-493
- Monograph Title: Safety and Security Engineering
Subject/Index Terms
- TRT Terms: Absorption; Cells (Measuring devices); Diodes; Gases; Laboratory tests; Lasers; Molecules; Oxygen; Oxygen content; Spectroscopic analysis; Spectroscopy
- Subject Areas: Highways; Safety and Human Factors; I80: Accident Studies;
Filing Info
- Accession Number: 01007137
- Record Type: Publication
- ISBN: 1845640195
- Files: TRIS
- Created Date: Nov 11 2005 2:15PM