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Proceedings Paper

Performance Of Multimirror Quartzline Lamps In A High-Pressure, Underwater Environment
Author(s): Howard A. Slater
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Paper Abstract

Multimirror Quartzline Lamps are extremely versatile and effective for nonconventional imaging requirements such as high-speed photo and video instrumentation and high-magnification imaging. The lamps' versatility though, is not limited to conventional environments. Many research experiments and projects require a high-pressure environment. Continuous photographic data acquisition in a high-pressure vessel requires wall penetrations and creates design problems as well as potential failure sites. Underwater photography adds the extra consideration of a liquid. This report expands upon the basic research presented in "Performance of Multimirror Quartzline Lamps in High-Pressure Environments" (NASA TM-83793, Ernie Walker and Howard Slater, 1984). The report provides information to professional industrial, scientific, and technical photographers as well as research personnel on the survivability of lighting a multimirror quartzline lamp in a nonconventional high-pressure underwater environment. Test results of lighted ELH 300 W multimirror quartzline lamps under high-pressure conditions are documented and general information on the lamp's intensity (footcandle output), cone of light coverage, approximate color temperature is provided. Continuous lighting considerations in liquids are also discussed.

Paper Details

Date Published: 16 December 1988
PDF: 5 pages
Proc. SPIE 0980, Underwater Imaging, (16 December 1988); doi: 10.1117/12.948635
Show Author Affiliations
Howard A. Slater, National Aeronautics and Space Administration (United States)


Published in SPIE Proceedings Vol. 0980:
Underwater Imaging
Douglas J. Holloway, Editor(s)

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