According to one embodiment, a method for manufacturing a particle beam therapy system that comprising steps of: designing a main transport line such that a phase lead of a beta function representing a betatron oscillation of a charged particles passing through the main transport line from a first connection point to a second connection point is an integer multiple of ; and setting a beam shape such that respective beam optical parameters match at each boundary between a rotating portion and a fixed portion of each of a plurality of rotating gantries.

A method for achieving independent control of multiple beams in close proximity to one another, such as in a multi-pass accelerator where coaxial beams are at different energies, but moving on a common axis, and need to be split into spatially separated beams for efficient recirculation transport. The method for independent control includes placing a magnet arrangement in the path of the barely separated beams with the magnet arrangement including at least two multipole magnets spaced closely together and having a multipole distribution including at least one odd multipole and one even multipole. The magnetic fields are then tuned to cancel out for a first of the barely separated beams to allow independent control of the second beam with common magnets. The magnetic fields may be tuned to cancel out either the dipole component or tuned to cancel out the quadrupole component in order to independently control the separate beams.

A method for achieving independent control of multiple beams in close proximity to one another, such as in a multi-pass accelerator where coaxial beams are at different energies, but moving on a common axis, and need to be split into spatially separated beams for efficient recirculation transport. The method for independent control includes placing a magnet arrangement in the path of the barely separated beams with the magnet arrangement including at least two multipole magnets spaced closely together and having a multipole distribution including at least one odd multipole and one even multipole. The magnetic fields are then tuned to cancel out for a first of the barely separated beams to allow independent control of the second beam with common magnets. The magnetic fields may be tuned to cancel out either the dipole component or tuned to cancel out the quadrupole component in order to independently control the separate beams.

A method of controlling e-beam transport where electron bunches with different characteristics travel through the same beam pipe. An RF kicker cavity is added at the beginning of the common transport pipe or at various locations along the common transport path to achieve independent control of different bunch types. RF energy is applied by the kicker cavity kicks some portion of the electron bunches, separating the bunches in phase space to allow independent control via optics, or separating bunches into different beam pipes. The RF kicker cavity is operated at a specific frequency to enable kicking of different types of bunches in different directions. The phase of the cavity is set such that the selected type of bunch passes through the cavity when the RF field is at a node, leaving that type of bunch unaffected. Beam optics may be added downstream of the kicker cavity to cause a further separation in phase space.

A method of controlling e-beam transport where electron bunches with different characteristics travel through the same beam pipe. An RF kicker cavity is added at the beginning of the common transport pipe or at various locations along the common transport path to achieve independent control of different bunch types. RF energy is applied by the kicker cavity kicks some portion of the electron bunches, separating the bunches in phase space to allow independent control via optics, or separating bunches into different beam pipes. The RF kicker cavity is operated at a specific frequency to enable kicking of different types of bunches in different directions. The phase of the cavity is set such that the selected type of bunch passes through the cavity when the RF field is at a node, leaving that type of bunch unaffected. Beam optics may be added downstream of the kicker cavity to cause a further separation in phase space.

A beam equipment controlling method is provided. The method includes: proton beam regulatory steps, including: generating a first proton beam after confirming that the generating conditions are met, and marking the proton beam regulatory steps as completed after confirming that the first proton beam meets the specifications; neutron beam regulatory steps, including: generating a first neutron beam after confirming that the proton beam regulatory steps are completed and the generating conditions are met, confirming that the first neutron beam meets specifications, and marking the neutron beam regulatory steps as completed after turning off the cyclotron system; and treatment regulatory steps, including: generating a second neutron beam after confirming that the neutron beam regulatory steps are completed and the treatment-beam generating conditions are met, confirming that the second neutron beam meets treatment needs; and marking the treatment regulatory steps as completed after turning off the cyclotron system.

A beam equipment controlling method is provided. The method includes: proton beam regulatory steps, including: generating a first proton beam after confirming that the generating conditions are met, and marking the proton beam regulatory steps as completed after confirming that the first proton beam meets the specifications; neutron beam regulatory steps, including: generating a first neutron beam after confirming that the proton beam regulatory steps are completed and the generating conditions are met, confirming that the first neutron beam meets specifications, and marking the neutron beam regulatory steps as completed after turning off the cyclotron system; and treatment regulatory steps, including: generating a second neutron beam after confirming that the neutron beam regulatory steps are completed and the treatment-beam generating conditions are met, confirming that the second neutron beam meets treatment needs; and marking the treatment regulatory steps as completed after turning off the cyclotron system.

A particle accelerator comprises a waveguide configured to accelerate a beam of electrons along an acceleration path. A diversion channel is configured to convey a beam of electrons along a diversion path. A first magnet arrangement is configured to, at a first location, direct electrons from the acceleration path to the diversion path. A second magnet arrangement is configured to, at a second location, direct electrons from the diversion path to the acceleration path.

A particle accelerator comprises a waveguide configured to accelerate a beam of electrons along an acceleration path. A diversion channel is configured to convey a beam of electrons along a diversion path. A first magnet arrangement is configured to, at a first location, direct electrons from the acceleration path to the diversion path. A second magnet arrangement is configured to, at a second location, direct electrons from the diversion path to the acceleration path.

Methods, devices and systems for ultra-high dose radiotherapy are disclosed. The described techniques rely in-part on active switching control of a photoconductive switch during the time the accelerator is accelerating charged particles to produce the output radiation at the desired dose rates. One radiotherapy system includes a particle accelerator configured to receive charged particles from a pulsed source. The particle accelerator includes a pipe configured to allow the charged particles to pass through as a beam, a magnetic core positioned proximate to the pipe and coupled to the pulsed source, and at least one multilayer insulator positioned adjacent to the pipe and the magnetic core. The system also includes a photoconductive switch coupled to the particle accelerator and configured to supply the particle accelerator with a plurality of voltage pulses.