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Optical Engineering

Rapid Selection of Dichroic Reflector Lamps for Color Projection
Author(s): William T. Sherwood
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Paper Abstract

The sensitivity of the human eye to slight shifts in color balance, particularly in the blue-green and yellow-orange regions of the spectrum, necessitates careful control over all of the color-influencing parameters of a projection system. In a modern optical projection system, the dichroic coating of an integral reflector tungsten-halogen lamp may be the source of objectionable color imbalance. Despite rigorous manufacturing control, significant variations in spectral energy distribution of radiation reflected and transmitted from the dichroic coatings occur.

Paper Details

Date Published: 1 September 1971
PDF: 4 pages
Opt. Eng. 9(6) 906212 doi: 10.1117/12.7971562
Published in: Optical Engineering Volume 9, Issue 6
Show Author Affiliations
William T. Sherwood, Eastman Kodak Company (United States)

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