X-ray CT glossary - Phase contrast imaging 

X-ray CT glossary ► bit.ly/3UoKvV8
As X-rays pass through materials, their intensities decrease by absorption, and their phase shifts by refraction simultaneously. Phase contrast imaging uses this phase change instead of the absorption rate. This technique is significantly more sensitive to density variations in light-absorbing materials, such as tissues, than absorption contrast imaging.
If you want to learn more about X-ray computed tomography, here is a brief introduction for you: bit.ly/3IntkKA
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