Now showing items 1-5 of 5

    • Fry, Edward S.; Kattawar, George S.; Gray, Deric J.; Zhao, Xianzhen; Lu, Zheng (United States. Patent and Trademark Office; Texas A&M University. Libraries, 2010-09-14)
      An apparatus for measuring an absorption coefficient includes a first diffusive material, a second diffusive material inside the first diffusive material separated from the first diffusive material by a cavity, and a ...
    • Fry, Edward S.; Kattawar, George W.; Gray, Deric J.; Zhao, Xianzhen; Lu, Zheng (United States. Patent and Trademark Office; Texas A&M University. Libraries, 2006-06-06)
      An apparatus for measuring an absorption coefficient includes a first diffusive material, a second diffusive material inside the first diffusive material separated from the first diffusive material by a cavity, and a ...
    • Sevick-muraca, Eva M.; Mayer, Ralf H.; Reynolds, Jeffery S. (United States. Patent and Trademark Office; Texas A&M University. Libraries, 2006-05-30)
      A system (20) of the present invention includes light source instrumentation (30) to selectively illuminate a light scattering medium including a luminophore and detection instrumentation (50) to detect multiply scattered ...
    • Sevick-muraca, Eva M.; Sun, Zhigang; Pan, Tianshu (United States. Patent and Trademark Office; Texas A&M University. Libraries, 2004-08-03)
      Characterizing a powder bed includes generating measurements by repeating the following. A location of the powder bed is illuminated with light having a time varying intensity with a resolution of less than one hundred ...
    • Sevick-muraca, Eva M.; Sun, Zhigang; Huang, Yingqing (United States. Patent and Trademark Office; Texas A&M University. Libraries, 2005-08-16)
      Methods are provided for measuring isotropic scattering coefficients of suspensions using multiply scattered radiation that is modulated in amplitude at selected modulation frequencies. The radiation may be light. Quantities ...