Optics: measuring and testing – By particle light scattering – With photocell detection
Reexamination Certificate
2009-08-03
2011-12-27
Punnoose, Roy M (Department: 2886)
Optics: measuring and testing
By particle light scattering
With photocell detection
Reexamination Certificate
active
08085399
ABSTRACT:
A particle detection system uses a reflective optic comprising a curved surface to detect high angle scattered light generated by a particle in a liquid medium, when a laser beam is incident on the particle. When the particles transit the laser beam, light is scattered in all directions and is described by MIE scattering theory for particles about the size of the wavelength of light and larger or Rayleigh Scattering when the particles are smaller than the wavelength of light. By using the reflective optic, the scattered light can be detected over angles that are greater than normally obtainable.
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Adams John A.
Bloom Scott H.
Chan Victor J.
Crousore Kristina M.
Gottlieb Joseph S.
Gillespie Noel C.
JMAR LLC
Procopio Cory Hargreaves & Savitch LLP
Punnoose Roy M
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