Image Transfer Characteristics Of Image Intensifier Tubes

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Abstract
In the last decade, low light level intensifier systems have come into widespread use not only in the military but also in such areas as law enforcement, medicine, and spectroscopy. The cascaded first generation intensifier has been produced in large quantity and has been commercially available for quite some time. The second generation intensifier has been declassified as of 1971 and is still in the developmental stage. The necessary gain is obtained by electron multiplication in the Multi-Channel-Multiplier (MCP). Con-sisting of only one stage, the second generation image intensifier has the advantage of smaller size and less weight. Figure 1 shows a 25mm first generation, a 25mm electrostatically focused and a 25mm proximity focused second generatioq image intensifier (inverter). The principle of operation for these types of image intensifier tubes will be described shortly. A more detailed discussion of the various image degrading processes will be given in the discussion.

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