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Method and apparatus to illuminate sample and containing vessel in a light scattering detector

  • US 20130286381A1
  • Filed: 04/26/2013
  • Published: 10/31/2013
  • Est. Priority Date: 04/27/2012
  • Status: Active Grant
First Claim
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1. A method for recording an image of a liquid-borne sample previously prepared for light scattering measurement, said light scattering measurement made by transmitting a light beam of wavelength λ

  • 1 through said liquid-borne sample, where said light beam, after traversing said sample, intersects an absorbing/transmitting optical structure selected to absorb light selectively in a wavelength range spanning λ

    1, and some fraction of light scattered by said sample is allowed to fall upon a detector, where said image is recorded by the method comprising the steps ofA) providing illumination from one or more imaging illumination sources operating at a wavelength different from λ

    1 or at range of wavelengths, said imaging illumination passing through said absorbing/transmitting optical structure, said absorbing/transmitting optical structure is selected to permit the transmission of at least a portion of said imaging illumination, thereby illuminating said liquid-borne sample; and

    B) recording an image produced of said liquid-borne sample.

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