Reference light source for luminance and illuminance ...
|Title||Reference light source for luminance and illuminance photometry|
|Author(s)||Thomy H. Nilsson|
|Journal||Behavior Research Methods & Instrumentation|
|Abstract||Discusses the rationale for a constant source of both luminance and illuminance to check photometer calibration. The inexpensive construction of such a reference source is described, and some performance data are given.|
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