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ILLUMINATION OF DIFFUSELY SCATTERING MEDIA

  • US 20100110425A1
  • Filed: 03/14/2008
  • Published: 05/06/2010
  • Est. Priority Date: 03/15/2007
  • Status: Active Grant
First Claim
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1. A method of directing a beam of incident light into a diffusely scattering sample, comprising:

  • locating a delivery filter adjacent to the sample, the delivery filter having characteristics such that reflection of said incident light is dependent upon angle of incidence of said light at the filter; and

    directing a beam of said incident light through the delivery filter at a beam angle of incidence and to the sample,such that incident light diffusely scattered back out of the sample to arrive at the filter is preferentially reflected by the delivery filter back towards the sample.

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