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Proceedings Paper

Sensitivity of an illumination system to lamp flicker
Author(s): H. Rehn
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Paper Abstract

Discharge lamps serve a wide variety of applications and outperform novel light sources such as LEDs in terms of luminous flux and luminance. Unfortunately, such lamps occasionally show arc movements (flicker) which change the amount of light that is coupled into an optical system. A variety of measures in lamp design can suppress flicker tendencies of a lamp but arc movement cannot be totally avoided. In our contribution, we show that the way how the light is collected considerably influences the impact of flicker on the collected luminous flux. We investigate light collection sensitivity of an illumination system as a function of the etendue and of the particular realization of the illumination system. As a result, flicker sensitivity can be substantially reduced at the expense of collection efficiency.

Paper Details

Date Published: 23 September 2008
PDF: 10 pages
Proc. SPIE 7103, Illumination Optics, 71030C (23 September 2008); doi: 10.1117/12.797252
Show Author Affiliations
H. Rehn, OSRAM Display/Optic (Germany)

Published in SPIE Proceedings Vol. 7103:
Illumination Optics
Tina E. Kidger; Stuart R. David, Editor(s)

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