Inverse Compton scattering X-rays are commonly generated by the collision of the incident relativistic high-energy electrons with the low-energy photons of laser pulses.Compared with the X-rays from bremsstrahlung radiation,which are often used in clinical settings,inverse Compton X-rays have unique advantages in radiological diagnosis and treatment due to their distinctive physical properties.In these years,the demand of precision radiotherapy technology has been increasingly emphasized.Inverse Compton X-rays may provide such a promising path for the development of precision radiotherapy.However,only a few facilities worldwide can achieve the generation of inverse Compton X-rays,and relevant studies in the field of radiation therapy are also in the exploratory stage.In this article,recent research progress at home and abroad were reviewed to introduce the ways of inverse Compton X-rays generation as well as their characteristics and advantages in radiation physics,aiming to provide reference for evaluating their application values and prospects in radiation therapy.
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