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Measurement of Optical Properties of Small ParticlesWe 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.
Document ID
19980236441
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Arakawa, E. T.
(Oak Ridge National Lab. TN United States)
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.
(Oak Ridge National Lab. TN United States)
Authier, S.
(Ecole Superieure d'Optique Orsay, France)
Pierce, J.
(Tennessee Univ. Knoxville, TN United States)
Date Acquired
August 18, 2013
Publication Date
December 1, 1997
Subject Category
Optics
Report/Patent Number
DE98-001913
ORNL/CP-95872
CONF-9706222
Meeting Information
Meeting: Obscuration and Aerosol Research
Location: Aberdeen Proving Ground, MD
Country: United States
Start Date: June 23, 1997
End Date: June 27, 1997
Funding Number(s)
CONTRACT_GRANT: DE-AC05-96OR-22464
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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