Continuous High Intensity Light Sources For High Speed Film And Photography

Karlheinz Steuernagel

doi:10.1117/12.969122

7 June 1989 Continuous High Intensity Light Sources For High Speed Film And Photography

Karlheinz Steuernagel

Proceedings Volume 1032, 18th Intl Congress on High Speed Photography and Photonics; (1989) https://doi.org/10.1117/12.969122
Event: 18th International Congress on High Speed Photography and Photonics, 1988, Xi'an, Shaanxi, China

Abstract

The use of metal-halide lamps, with 4 times as much light output in comparison to conventional tungsten halogen lamps, has rapidly grown for high-speed-film use. Lamps range from 200 to 12 000 W. The color temperature will match perfectly with the requirements of daylight film. In combination with various high specialized optical luminaries and systems, the lamp shows outstanding performance and allows new applications. As the metal halide lamp is an AC-discharge type, a special power supply is necessary to overcome the the flicker effect. Electronic power supplies (EPS) with a square wave current characteristic allow flicker free films up to min. 8000 frames per second. Meanwhile the 3rd generation of EPS's will be introduced, which perform with even increased electric stability, compact size and decreased weight. This paper contains the practical uses in the field and possible future applications. Finally it gives a preview on future design and technologies.

Citation Download Citation

Karlheinz Steuernagel "Continuous High Intensity Light Sources For High Speed Film And Photography", Proc. SPIE 1032, 18th Intl Congress on High Speed Photography and Photonics, (7 June 1989); https://doi.org/10.1117/12.969122

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