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Proceedings Paper

Ultraviolet Content Of Lamps In Common Use
Author(s): B. W. Jewess
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Paper Abstract

The CIE has divided the ultra violet spectrum into three regions: the UVA 315-400nm, the UVB 280-315nm and the UVC 100-280nm. Radiation in the UVC region does not occur in the solar spectrum, UVB is the erythermal or "sun burn" producing region and the UVA is long wave or black light region. Electric discharge lamps in the form of fluorescent and high intensity discharge lamps are very widely used in commercial and industrial lighting because of their high efficiency. Due to their mode of action, they radiate a measurable amount of radiation in the UVA region and in some cases in the UVB region. Tungsten halogen lamps also emit some ultra violet radiation. This paper discusses in elementary terms the construction and mode of action of various lamps and the measurement of the ultra violet radiation. It also examines the ultra violet radiation in terms of the National Radiological Protection Board Specification for general lighting application. The special applications of UVA and UVB sun lamps is also discussed.

Paper Details

Date Published: 19 February 1982
PDF: 7 pages
Proc. SPIE 0262, Light Measurement '81, (19 February 1982); doi: 10.1117/12.959715
Show Author Affiliations
B. W. Jewess, Thorn Lighting Ltd. (United Kingdom)

Published in SPIE Proceedings Vol. 0262:
Light Measurement '81
Arthur W.S. Tarrant, Editor(s)

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