Optical detector for a particle sorting system

Details Optical detector for a particle sorting system Optical detector for a particle sorting system

2008-03-27

2009-08-18

Pham, Hoa Q (Department: 2886)

Optics: measuring and testing

For light transmission or absorption

Of fluent material

C356S246000, C356S440000

Reexamination Certificate

active

07576861

ABSTRACT:
An optical system for acquiring fast spectra from spatially channel arrays includes a light source for producing a light beam that passes through the microfluidic chip or the channel to be monitored, one or more lenses or optical fibers for capturing the light from the light source after interaction with the particles or chemicals in the microfluidic channels, and one or more detectors. The detectors, which may include light amplifying elements, detect each light signal and transducer the light signal into an electronic signal. The electronic signals, each representing the intensity of an optical signal, pass from each detector to an electronic data acquisition system for analysis. The light amplifying element or elements may comprise an array of phototubes, a multianode phototube, or a multichannel plate based image intensifier coupled to an array of photodiode detectors.

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