What is the main function of the collimator

What is the main function of the collimator? First of all, we have to figure out what a collimator is. In short, a collimator is what we call a beamer. So what is the main function of the beamer?
X-ray beam optical device, that is, the device that confines the light.
The beam stopper, also known as the beam limiter, is an electromechanical optical device installed in the output window of the tube sleeve of the x-ray tube assembly. , simulating the radiation area of X-ray, which can reduce the radiation dose of the patient and enhance the image quality. The principle of the beamer is to control the irradiation field of the output line of the X-ray bulb tube under the premise of satisfying the X-ray imaging diagnosis, so as to minimize the projection range and avoid unnecessary doses. And can absorb some scattered light to improve image clarity. In addition, the beamer can also indicate the projection center and the size of the projection field of view. Therefore, the x-ray beam optical device is an indispensable auxiliary device for x-ray irradiation and protection.
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Author:X Ray Collimator