Pathogen and particle detector system and method

Details Pathogen and particle detector system and method Pathogen and particle detector system and method

2006-07-17

2010-06-15

Toatley, Jr., Gregory J (Department: 2877)

Optics: measuring and testing

For size of particles

By particle light scattering

C356S369000, C356S335000, C356S343000

Reexamination Certificate

active

07738099

ABSTRACT:
The system includes an excitation source for providing a beam of electromagnetic radiation having a source wavelength. A first wavelength selective device is positioned to be impinged by the beam of electromagnetic radiation. The first wavelength selective device is constructed to transmit at least a portion of any radiation having the source wavelength and to reflect radiation of other wavelengths. A medium containing particles is positioned to be impinged by the beam of electromagnetic radiation. At least a portion of the beam of electromagnetic radiation becomes scattered within the medium, the scattered electromagnetic radiation including forward scattered electromagnetic radiation and backward scattered electromagnetic radiation. An optical detector is positioned to receive backward and/or forward scattered electromagnetic radiation.

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