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How does an image intensifier work?

Image intensifier xray works

The image intensifier consists of an input surface, a photocathode, a cluster electrode, an anode and an output surface in a vacuum state.

How does an image intensifier work?

When X-rays pass through the human body, X-rays of different intensities are projected to the input screen according to the different densities of human tissues, and photoelectrons of different quantities are produced by the photocathode inside the screen according to the intensity of fluorescence. The photoelectrons of the photocathode are attracted by the positive potential of the anode and fly to the positive at high speed. Photoelectrons are projected to the output screen through the small hole of the anode to produce a visible image. The image is brighter and smaller than the previous perspective image.

Classification of image intensifier

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Author:Yevette


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