Development of a rugged, fuel tank compatible, oxygen concentration sensor

Award Information
Agency: National Aeronautics and Space Administration
Branch: N/A
Contract: NAS3-03014
Agency Tracking Number: 023919
Amount: $70,000.00
Phase: Phase I
Program: SBIR
Awards Year: 2003
Solicitation Year: N/A
Solicitation Topic Code: N/A
Solicitation Number: N/A
Small Business Information
Advanced Projects Research, Inc.
1925 McKinley Ave. Suite B, La Verne, CA, 91750
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 Tobias Rossmann,
 (909) 392-8853
Business Contact
 Thomas Sobota
Title: Business Official
Phone: (909) 392-3155
Research Institution
We propose to engineer a compact, robust, optically-based sensor for measuring local oxygen concentration in aircraft fuel tanks. This system will utilize absorption of rapidly scanned Vertical Cavity Surface Emitting Diode Lasers (VCSELs) by molecular oxygen. This proposed system can measure 100 ppm to 100% oxygen in ambient temperatures from -100 to 300 F utilizing a new spectroscopic frequency domain detection scheme known as the wavelength agile spectral-harmonic (WASH) technique. The wavelength agile aspect of the laser source allows for temperature insensitive measurements of oxygen concentration over a wide range of pressures (0.1 atm to 50 atm). The system will also possess auto-calibration capabilities, the ability to withstand temporary immersion in all liquid fuels, fast time response (100 msec), and long operating life (> 10,000 hrs).

* information listed above is at the time of submission.

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