G - Physics – 01 – N
Patent
G - Physics
01
N
340/124.4
G01N 21/31 (2006.01) G01J 3/18 (2006.01) G01N 15/04 (2006.01)
Patent
CA 1295031
UV SCANNING SYSTEM FOR CENTRIFUGE ABSTRACT OF THE DISCLOSURE A centrifuge sample is optically scanned dur- ing centrifuging. The sample, placed in a centrifuge rotor having a cell with top and bottom windows, is spun until stratification and discrete layering occurs within the sample. Such layering occurs on layers that are precisely normal to the radius of the centrifuge at the point of sample and parallel to the spin axis of the centrifuge. A slit scanner having a slit normal to the sample plane transverses the width of the sample below the cell to detect with precision the precise location of the strata in the cell. A light source is reflected by a toroidal mirror having two radius of curvature. One radius of curvature is selected to collimate rays of light paral- lel to the layer of the sample. The mirror is ruled with respect to the other radius of curvature to chro- matically classify light to preselect band width. Ro- tation of the mirror preserved collimation hut enables selected scanning light frequency. B3/11169-5
580040
Beckman Instruments Inc.
Giebeler Robert
Macrae & Co.
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