Wavelength standard

Details Wavelength standard Wavelength standard

1997-04-24

1999-08-10

Kim, Robert H.

Optics: measuring and testing

Standard

Surface standard

3562431, G01J 102

Patent

active

059367270

ABSTRACT:
In an optical wavelength standard, a concrete matrix embeds wavelength reference material. The concrete matrix is formed from a powdered halogenated polymer (e.g., PTFE) which is mixed with powdered wavelength reference materials, such as rare earth oxides, and the mixture is subjected to sufficient pressure to cause the particles of the halogenated polymer to coalesce into the concrete matrix.

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Victor R. Weidner and Jack J. Hsia, Reflection Properties of Pressed Polytetrafluoroethylene Powder J. Opt. Soc. Am/vol. 71, No. 7/Jul. 1981, pp. 856-861.
Victor R. Weidner, Patricia Y. Barnes, and Kenneth Eckerle, A Wavelength Standard for the Near Infrared Based on the Reflectance of Rare-Earth Oxides, Journal of Research of the National Bureau of Standards vol. 91, No. 5, Sept.-Oct. 1986, pp. 243-253.

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