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Search Publications by: C Cameron Miller (Fed)

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Displaying 51 - 75 of 98

New Photometer Standards for Low Uncertainty Illuminance Scale Realization

July 11, 2007
Author(s)
George P. Eppeldauer, Carl C. Miller, Yoshihiro Ohno
Improved performance photometers have been developed at the National Institute of Standards and Technology (NIST) to utilize the low spectral responsivity uncertainty of spectral irradiance responsivity measurements performed on the facility of Spectral

Pilot Study on Daytime Color Appearance of Retroreflective Sheeting

July 11, 2007
Author(s)
Wendy L. Davis, Carl C. Miller, Jason Kennedy, Carl Andersen
In this experiment, reference instrument measurements of the chromaticity of retroreflective materials were compared with human visual perceptions of their colors under daytime conditions. A hue scaling method was used to measure perceived color. Four

Living With Uncertainty

February 1, 2005
Author(s)
Carl C. Miller, Yoshihiro Ohno
This article discusses measurement uncertainty. Definitions that are used in describing measurement uncertainty along with terms that should not be used. The significance and the procedure for calculating measurement uncertainty are presented.

Standardization of LED Measurements Updates

September 15, 2004
Author(s)
Carl C. Miller, Yoshihiro Ohno
The article describes the current LED standards and recommendations. It also discusses the work in Commission Internationale De L Eclairage Technical Committees to form new recommendations for LED measurements of total luminous flux, partial LED flux and