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The working principle of X-ray image intensifier.

Application of image intensifier in fluoroscopy

The main function of X-ray image intensifier is to transmit X-ray through human body to the input screen of image intensifier. The input screen converts the received X-ray image into visible image, and converts the photoelectric cathode of the input screen into electronic image. Under certain action of photoelectrons, an inverted, narrowed and enhanced electronic image is formed on the output screen.

The electronic image is then converted from an output screen to a visible image. The higher the anode potential is, the faster the photoelectrons move, the greater the kinetic energy of the impact output at ordinary times, the more electrons are excited, and the brighter the output screen is.

Application of image intensifier fluoroscopy

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