The structure and imaging process of Xray image intensifier

Xray image intensifiers are usually cylindrical, with internal vacuum vessels containing multiple components.
X-ray sensitive input fluorescent screen converts invisible X-ray photon images into visible light images.
A photon-excited photocathode emits an electronic image.
Electrons are accelerated by thousands of volts and focused on a fluorescent screen to create a visible image.
The visible light image reflects the details of the latent image, and the brightness is greatly enhanced.
The image can be observed by a television camera system with high sensitivity or sent to a computer for processing and recognition by a CCD camera and other digital acquisition systems.
The Xray image intensifier is mainly composed of the following parts: input screen, input scintillation crystal, photocathode, vacuum tube and focusing electrode, output scintillation body and output screen.
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Author:肖恩