Systems and methods for a multiple angle light scattering (MALS) instrument having two-dimensional detector array
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United States of America Patent
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Dec 27, 2011
Grant Date -
Feb 4, 2010
app pub date -
Aug 3, 2009
filing date -
May 2, 2005
priority date (Note) -
Expired
status (Latency Note)
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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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