G - Physics – 01 – J
Patent
G - Physics
01
J
73/55, 88/98
G01J 3/42 (2006.01) G01N 21/25 (2006.01) G02B 27/00 (2006.01) G02B 27/12 (2006.01)
Patent
CA 1330494
ABSTRACT OF THE DISCLOSURE An optical transmission spectrometer for transmission measurements of absorbing and scattering samples includes light sources mounted parallel to each other in a holder. The beams of light eminating from the light sources are directed through a beam-combiner. The beam-combiner includes a first refractive surface at an angle of incidence of 45°. The first refractive surface refracts light toward a common axis. The beam-combiner includes a second refractive surface parallel to the first refractive surface for refracting the beam of light along a common axis parallel to the original direction of the beam of light. The beam-combiner can include additional refractive surface for other beams of light to combine the beams of light into a primary beam. The includes a collimating tube extending along the common axis for baffling stray light and directing the primary beam through a sample. A second collimating tube is provided on the side of the sample opposite the first collimating tube for baffling stray light passing through the sample. The second collimating tube directs the primary beam to a detector package mounted in a holder, where the detector viewing area of the sample is limited to that of the primary beam.
613832
Miles Inc.
Osler Hoskin & Harcourt Llp
LandOfFree
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