How Tungsten X-ray Collimator Works

A collimator is a device that limits the radiation output of an X-ray source. Without a collimator, X-rays would escape which would flood the detector with radiation and prevent a clear image from being attained. Due to tungsten alloy material has high density, excellent radiation attenuation properties, and environmental friendly; an X-ray collimator can be made from tungsten alloy. Tungsten X-ray collimator can be commonly done by standing thin tungsten on end in a sequence over the detectors to limit scatter. Tungsten X-ray collimator can prevent cross talk between detector cards in a detector bank within a medical or security application. This allows tungsten X-ray collimator to be protected from scatter radiation and only detect the radiation striking the detector straight on.

The picture shows thin tungsten in X-ray collimator:

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