A dual wavelength optical sensor for measuring chemical properties of a particular quantity, the optical sensor including a sensor probe having a thin sensing film whose optical characteristics are responsive to the chemical properties of the measured quantity The United States Government has certain rights in this invention pursuant to Contract No. ITA87-02 between the U.S. Department of Commerce and Iowa State University.
ISURF Reference Number
Iowa State University Research Foundation, Inc.,
Porter, Marc D.; Jones, Thomas P.; and Coldiron, Shelley J., "Dual-wavelength photometer and fiber optic sensor probe" (1994). Iowa State University Patents. 118.