G - Physics – 01 – N
Patent
G - Physics
01
N
G01N 21/25 (2006.01) G01J 3/08 (2006.01) G01N 21/31 (2006.01) G02B 26/04 (2006.01) G01J 1/44 (2006.01) G01J 3/28 (2006.01) G01J 3/51 (2006.01) G01N 21/35 (2006.01)
Patent
CA 2052467
A spectrophotometer is described, comprising a single light source, a single detector, optics for dually and alternatively reading a sample and a reference, and only one moving part. That moving part is a chopper containing multiple pass-through apertures, each filled with a unique bandpass filter to select wavelengths to specifically illuminate the sample or reference. To inform the spectrophotometer whether and when it is reading the sample or the reference, trigger means are provided in at least twice the number of the pass-through apertures.
Liu Hsue-Yang
Lowne Alan John
Sandifer James Roy
Switalski Steven Casimir
Uerz David Scott
Eastman Kodak Company
Gowling Lafleur Henderson Llp
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