Reflectance spectroscope with read head for minimizing singly-re

Details Reflectance spectroscope with read head for minimizing singly-re Reflectance spectroscope with read head for minimizing singly-re

1996-05-09

1997-08-26

Evans, F. L.

Optics: measuring and testing

Of light reflection

With diffusion

356402, G01N 2147

Patent

active

056615639

ABSTRACT:
A reflectance spectroscope, which is provided with one or more optical paths which prevent substantially all singly reflected light rays from reaching the intended destination(s), is provided with a source of illumination for generating light rays, a support member adapted to support a reagent pad, the support member having a position in which the reagent pad is illuminated by the light rays generated by the illumination source, a reflectance detector positioned to receive light rays from the reagent pad, and means for defining an optical path in which substantially all singly-reflected light rays are prevented from reaching the intended destination. The optical path may be between the illumination source and the reagent pad, or between the reagent pad and the area in which the detector is provided.

REFERENCES:
patent: 4755058 (1988-07-01), Shaffer
patent: 5028139 (1991-07-01), Kramer et al.
patent: 5165078 (1992-11-01), Hough et al.
patent: 5518689 (1996-05-01), Dosmann et al.

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