From the case:
Structure of an image intensifier
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A - Thin window made up of either carbon, aluminum or titatnium.
B - Thin aluminum substrate coating the front part of the phosphor. The input phosphor is made up of a layer of sodium activated cesium iodide (CsI:Na).
C - Photocathode is made up of a thin layer of antimony cesium (SbCs3)
D - Focusing electrodes
E - External housing and shielding
F - Anode assembly
G - Thin aluminum substrate coating the front part of the phosphor. Output phosphor is made up of silver activated zinc cadmium sulphide (ZnCdS:Ag), also known as P-20 phosphor.
H - Ouput window is made up of glass or fiber optic bundle
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