What is ripple in illuminators and how does it affect my video system?

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What is ripple in illuminators and how does it affect my video system?

"Ripple" is a sinusoidal fluctuation of light intensity. This can cause a problem with machine vision systems that utilize computer algorithms, when constant contrast is required for proper data acquisition. The AC current powering the illumination source causes this ripple in illumination systems. Illumination sources can be DC regulated, which nearly eliminates this ripple effect. Our Dolan-Jenner DC-950H Regulated Fiber Optic Illuminator offers = 0.4% ripple.

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