Paper
23 February 1987 Characteristics Of Medium Arc Metal Halide Light Sources
Richard O. Shaffner
Author Affiliations +
Abstract
The characteristics of medium arc metal halide light sources are defined and discussed. The medium arc is A.C. operated with about 100 watts/mm dissipated in the arc giving arc luminances generally around 12,000 cd/cm2 but, with design compromise, three times this being achievable. The use of metal halides results in very high conversion efficiency into radiation, up to forty percent in some cases, and can provide tailored spectra throughout the near UV and visible wavelengths. The arc's double-ended construction, unjacketed design provides a mechanically precise component suitable for system use.
© (1987) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Richard O. Shaffner "Characteristics Of Medium Arc Metal Halide Light Sources", Proc. SPIE 0692, Materials and Optics for Solar Energy Conversion and Advanced Lightning Technology, (23 February 1987); https://doi.org/10.1117/12.936703
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KEYWORDS
Metals

Light sources

Quartz

Power supplies

Electrodes

Halogens

Radiation effects

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