G - Physics – 01 – N
Patent
G - Physics
01
N
G01N 33/483 (2006.01) A61B 6/00 (2006.01) G01N 21/21 (2006.01) A61B 5/14 (1995.01)
Patent
CA 2143836
A device and method for determining the identity and concentration of constituent compounds of a test specimen (14) based on polarization effect when the specimen (14) is subjected to randomly or partially polarized light (12). The polarization effect will cause the intensity of light passing through the specimen (14) at one angle of polarization to be different than the inten- sity of light exiting the specimen (14) at a second angle at a specific wavelength and will result in an elliptically polarized light. The intensity of light exiting the specimen (14) in various planes of polarization is measured by irradiating the specimen (14) with randomly or partially polarized light and then polarizing the light reflected from or passing through the specimen (14) in differ- ent planes of polarization angles and measuring (24) the intensity of light in each of the these polarization planes at one or more wavelenghts of light.
Cernosek John D.
Kaplan Milton R.
Micro Research Inc.
Ridout & Maybee Llp
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