Rapid high throughput spectrometer and method

Details Rapid high throughput spectrometer and method Rapid high throughput spectrometer and method

G - Physics

01

N

G01N 21/64 (2006.01) G01N 21/25 (2006.01) G01N 21/31 (2006.01)

Patent

CA 2353221

A fluorescence spectrometer comprises a laser and at least one beam splitter positioned to receive a light beam from the laser and to divide it into several first light beam portions. Dichroic minors are positioned to separately receive the first light beam portions and to reflect the beam portions at an angle to the first light beam portions. Transparent chambers are provided for holding the samples. Objective lens systems are respectively positioned in the path of the reflected beam portions to respectively focus each reflected beam portion to a point within one of the separate transparent chambers. Lenses are positioned to receive fluorescence from a sample for testing within the transparent chambers and to respectively focus the fluorescence at pin holes in opaque partitions. The lenses are positioned to receive the fluorescence, which passes back through the objective lens system and the dichroic minor. Light detectors are each respectively positioned adjacent to one of the partitions, with one of the partitions respectively positioned between each of the lens and the light detectors to permit each light detector to sense fluorescence through the pin hole. Electronics are provided to receive and process signals from each light detector. Structure is provided to permit high speed data collection from a large number of samples in separate, transparent chambers.

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