Structure illustration of image intensifier.

Image intensifier structure: It consists of image multiplier tube, tube container, special high voltage power supply built in tube container and low voltage power supply for driving high voltage power supply.

The working principle of image intensifier: the transmitted X-ray through the human body is irradiated on the input screen of the image intensifier, and the fluorescent image with weak brightness is obtained. After the enhancement of the image intensifier, a fluorescent image with reduced size and brightness tens of millions times stronger than the brightness on the input screen is obtained. After the fluorescent image on the output screen is transmitted and corrected by optical system, it is taken by the camera tube. The video current signal output from the camera tube is amplified by the pre-amplifier, controlled by the controller, processed and amplified, and then the whole TV signal is obtained. The fluorescent image is transmitted to the monitor, and the X-ray perspective image is displayed on the monitor fluorescent screen.

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Author:Yevette