Measurement of Optical Properties of Small Particles

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Description

We have measured the optical constants of montmorillonite and the separated coats and cores of B. subtilis spores over the wavelength interval from 200 nm to 2500 nm. The optical constants of kaolin were obtained over the wavelength interval from 130 nm to 2500 nm. Our results are applicable to the development of systems for detection of airborne biological contaminants. Future work will include measurement of the optical constants of B. cereus spores, B. sub tilts vegetative cells, egg albumin, illite, and a mixture (by weight) of one third kaolin, one third montmorillonite, and one third illite.

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30 p.

Creation Information

Arakawa, E.T.; Tuminello, P.S.; Khare, B.N.; Millham, M.E.; Authier, S. & Pierce, J. December 1, 1997.

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This article is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by UNT Libraries Government Documents Department to Digital Library, a digital repository hosted by the UNT Libraries. It has been viewed 12 times . More information about this article can be viewed below.

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  • Arakawa, E.T.
  • Tuminello, P.S. Oak Ridge National Lab., TN (United States)
  • Khare, B.N. NASA Ames Research Center, Moffett Field, CA (United States)
  • Millham, M.E. USAMCCOM, Edgewood Research, Development, and Engineering Center, Aberdeen Proving Ground, MD (United States)
  • Authier, S. Ecole Superiere d`Optique, Orsay (France)
  • Pierce, J. University of Tennessee, Knoxville, TN (United States)

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Description

We have measured the optical constants of montmorillonite and the separated coats and cores of B. subtilis spores over the wavelength interval from 200 nm to 2500 nm. The optical constants of kaolin were obtained over the wavelength interval from 130 nm to 2500 nm. Our results are applicable to the development of systems for detection of airborne biological contaminants. Future work will include measurement of the optical constants of B. cereus spores, B. sub tilts vegetative cells, egg albumin, illite, and a mixture (by weight) of one third kaolin, one third montmorillonite, and one third illite.

Physical Description

30 p.

Notes

OSTI as DE98001913

Source

  • 1997 scientific conference on obscuration and aerosol research, Aberdeen Proving Ground, MD (United States), 23-27 Jun 1997

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  • Other: DE98001913
  • Report No.: ORNL/CP--95872
  • Report No.: CONF-9706222--
  • Grant Number: AC05-96OR22464
  • Office of Scientific & Technical Information Report Number: 627449
  • Archival Resource Key: ark:/67531/metadc698142

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Creation Date

  • December 1, 1997

Added to The UNT Digital Library

  • Aug. 14, 2015, 8:43 a.m.

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  • Jan. 25, 2016, 12:27 p.m.

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Arakawa, E.T.; Tuminello, P.S.; Khare, B.N.; Millham, M.E.; Authier, S. & Pierce, J. Measurement of Optical Properties of Small Particles, article, December 1, 1997; Tennessee. (digital.library.unt.edu/ark:/67531/metadc698142/: accessed August 21, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.