Sensitivity of an illumination system to lamp flicker

H. Rehn

doi:10.1117/12.797252

23 September 2008 Sensitivity of an illumination system to lamp flicker

H. Rehn

Proceedings Volume 7103, Illumination Optics; 71030C (2008) https://doi.org/10.1117/12.797252
Event: Optical Systems Design, 2008, Glasgow, Scotland, United Kingdom

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.

Citation Download Citation

H. Rehn "Sensitivity of an illumination system to lamp flicker", Proc. SPIE 7103, Illumination Optics, 71030C (23 September 2008); https://doi.org/10.1117/12.797252

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