Control of Ambient Light

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Control of Ambient Light
1010606Control of Ambient Light
<emphasis role="bold">Introduction</emphasis> Apart from some optical fiber communications links, most optical detection systems do not enjoy the luxury of illumination just by the signal of interest; when the source is off, the detector is dark. The great majority are bathed in a background of ambient light from other sources (Fig. 7.1). The signal of interest may even be far weaker than the disturbi…
Mark Johnson: Photodetection and Measurement: Maximizing Performance in Optical Systems. Control of Ambient Light, Chapter (McGraw-Hill Professional, 2003), AccessEngineering Export