Bremsstrahlung target for radiation therapy system
Described herein is a medical linear accelerator including an accelerator target structure constructed of a material having a thickness of less than 0.2 radiation lengths, and an accelerator structure to receive an electromagnetic wave and generate an output therapy dose rate of electrons having a beam energy between 4-25 mega-electronvolts (MeV).
1. A medical linear accelerator comprising:
an electromagnetic wave source to receive a beam current of electrons and to generate an electromagnetic wave;
an accelerator structure to receive the electromagnetic wave and to generate an output therapy dose rate of electrons having a beam energy between 4-25 mega-electronvolts (MeV), wherein the accelerator is a standing wave accelerator; and
an accelerator target structure to receive the output dose of electrons comprised of:
an x-ray emitting target to emit x-rays in response to receiving the output dose rate of electrons, wherein the x-ray emitting target is less than 0.2 radiation lengths.
2. The medical linear accelerator of claim 1 , wherein the thickness of the x-ray emitting target is between 0.01 and 0.2 radiation lengths.
3. The medical linear accelerator of claim 1 , wherein the accelerator is coupled to a robotic arm.
4. The medical linear accelerator of claim 1 , wherein the accelerator is coupled to a gantry.
5. The medical linear accelerator of claim 1 , wherein the standing wave accelerator is an X-Band, C-Band, S-Band or L-Band linear accelerator.
6. The medical linear accelerator of claim 1 , wherein the electromagnetic wave source is a magnetron.
7. The medical linear accelerator of claim 1 , wherein the accelerator target structure is further comprised of a heat sink coupled to the x-ray emitting target.