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Optical Detection Systems

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Optical Detection Systems

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In a typical photo-research system, a detector measures the radiant intensity used to evoke photo-response in a sample or the radiant intensity produced by the sample in response to light or other simulation. The measurement is very frequently done after the beam has been separated into its component wavelengths. Light signals are converted into electrical signals, then typically amplified, processed by signal to noise improving electronics, and displayed. Computers are frequently utilized to present the measurements in a convenient form and in relation to other parameters such as wavelength or time. The combined detection and measurement system is called a radiometer. The term spectroradiometer is used when radiant intensity versus wavelength information is measured.

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