Method of Constructing Model Function of Photon Source of Medical Linear Accelerator
A linear accelerator and model function technology, applied in X-ray/γ-ray/particle irradiation therapy, radiotherapy, treatment, etc., can solve problems such as different fluence distribution forms, unusable source models, and missing particle distribution weight information. Achieve the effects of improving variance and convergence, storing small bytes, and facilitating the use of propagation
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[0094] In order to make those skilled in the art understand the core idea of the present invention more clearly, it will be described in detail below with reference to the accompanying drawings.
[0095] The method for constructing the photon source model function of the medical linear accelerator proposed by the present invention is mainly used for the dose calculation of radiation in the radiotherapy plan, and for the calculation particle source of the Monte Carlo method. The medical linear accelerator involved includes an X-ray target, a ray source device, an accelerating tube, a leveling filter and a collimator system, wherein the collimator system includes a primary collimator system and a secondary collimator system. The physical flow of the treatment beam photons produced by the medical linear accelerator is as follows: Figure 15 Shown: The thermal electrons emitted by the electron gun filament of the ray source device after being heated are focused into an electron ...
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