RF waveguide phase-directed power combiners

High power RF phase-directed power combiners include magic H hybrid and/or superhybrid circuits oriented in orthogonal H-planes and connected using E-plane bends and/or twists to produce compact 3D waveguide circuits, including 8×8 and 16×16 combiners. Using phase control at the input ports, RF power can be directed to a single output port, enabling fast switching between output ports for applications such as multi-angle radiation therapy.

Methods and systems for beam intensity-modulation to facilitate rapid radiation therapies

Methods and system for facilitating rapid radiation treatments are provided herein and relate in particular to radiation generation and delivery, electron source design, beam control and shaping/intensity-modulation. The methods and systems described herein are particularly advantageous when used with a compact high-gradient, very high energy electron (VHEE) accelerator and delivery system (and related processes) capable of treating patients from multiple beam directions with great speed, using all-electromagnetic or radiofrequency deflection steering is provided; or when used with a high-current electron accelerator system of energy range more conventionally used in photon radiation therapy to produce much faster delivery of intensity-modulated photon radiation therapy, that can in both cases deliver an entire dose or fraction of high-dose radiation therapy sufficiently fast to freeze physiologic motion, yet with a equal or better degree of dose conformity or sculpting compared to conventional photon therapy.

Pluridirectional Very High Electron Energy Radiation Therapy Systems and Processes

A compact high-gradient, very high energy electron (VHEE) accelerator and delivery system (and related processes) capable of treating patients from multiple beam directions with great speed, using all-electromagnetic or radiofrequency deflection steering is provided, that can deliver an entire dose or fraction of high-dose radiation therapy sufficiently fast to freeze physiologic motion, yet with a better degree of dose conformity or sculpting than conventional photon therapy. In addition to the unique physical advantages of extremely rapid radiation delivery, there may also be radiobiological advantages in terms of greater tumor or other target control efficacy for the same physical radiation dose. 1. A system for delivering very high electron energy beam to a target in a patient , comprising:An accelerator capable of generating a very high electron energy beam;A beam steering device capable of receiving the beam from the accelerator and steering the beam to the target from multiple directions; andA controller capable of controlling length of time that the beam irradiates the target, the length of time sufficiently fast to freeze physiologic motion, and to control the directions in which the beam steering device steers the beam to the target.2. A system according to wherein the controller is configured to receive information from an imaging device and use the information from the imaging device to control the directions in which the beam steering device steers the beam to the target.3. A system according to wherein the accelerator is a linear accelerator capable of generating a beam of between 75 and 100 MeV.4. A system according to wherein the length of time is less than one second.5. A system according to wherein the beam steering device is selected from the group consisting of electro-magnetic devices and radiofrequency deflector devices.6. A system according to wherein the beam steering device includes a gantry claim 1 , the gantry including multiple beam ports ...

PLURIDIRECTIONAL VERY HIGH ELECTRON ENERGY RADIATION THERAPY SYSTEMS AND PROCESSES

A compact high-gradient, very high energy electron (VHEE) accelerator and delivery system (and related processes) capable of treating patients from multiple beam directions with great speed, using all-electromagnetic or radiofrequency deflection steering is provided, that can deliver an entire dose or fraction of high-dose radiation therapy sufficiently fast to freeze physiologic motion, yet with a better degree of dose conformity or sculpting than conventional photon therapy. In addition to the unique physical advantages of extremely rapid radiation delivery, there may also be radiobiological advantages in terms of greater tumor or other target control efficacy for the same physical radiation dose. 1. (canceled)2. (canceled)3. (canceled)4. (canceled)5. (canceled)6. (canceled)7. (canceled)8. (canceled)9. (canceled)10. (canceled)11. (canceled)12. (canceled)13. (canceled)14. (canceled)15. (canceled)16. (canceled)17. (canceled)18. (Canceled)19. (Canceled)20. (Canceled)21. (Canceled)22. (Canceled)23. (Canceled)24. (Canceled)25. (Canceled)26. (Canceled)27. (Canceled)28. (Canceled)29. A system for delivering a particle beam to a targeted tissue in a patient , comprising:one or more accelerators, each of the one or more accelerators configured to generate one or more particle beams;one or more beam steering devices configured for receiving the one or more particle beams from the one or more accelerators and steering the one or more beams to the target tissue from multiple directions; anda controller configured for controlling a length of time that the particle beam irradiates the targeted tissue in delivering an entire treatment dose, the length of time of delivering the entire dose being less than 10 seconds.30. The system of claim 29 , the system further comprising:a plurality of discrete beam ports arranged about the patient, wherein the one or more beam steering devices are configured to steer multiple beams from the one or more accelerators through the multiple ...

Methods and systems for rf power generation and distribution to facilitate rapid radiation therapies

Methods and system for facilitating rapid radiation treatments are provided herein and relate in particular to radiation generation and delivery, power production and distribution, and electron source design. The methods and systems described herein are particularly advantageous when used with a compact high-gradient, very high energy electron (VHEE) accelerator and delivery system (and related processes) capable of treating patients from multiple beam directions with great speed, using all-electromagnetic or radiofrequency deflection steering is provided, that can deliver an entire dose or fraction of high-dose radiation therapy sufficiently fast to freeze physiologic motion, yet with a better degree of dose conformity or sculpting than conventional photon therapy.

Methods and Systems for Beam Intensity-Modulation to Facilitate Rapid Radiation Therapies

Methods and system for facilitating rapid radiation treatments are provided herein and relate in particular to radiation generation and delivery, electron source design, beam control and shaping/intensity-modulation. The methods and systems described herein are particularly advantageous when used with a compact high-gradient, very high energy electron (VHEE) accelerator and delivery system (and related processes) capable of treating patients from multiple beam directions with great speed, using all-electromagnetic or radiofrequency deflection steering is provided; or when used with a high-current electron accelerator system of energy range more conventionally used in photon radiation therapy to produce much faster delivery of intensity-modulated photon radiation therapy, that can in both cases deliver an entire dose or fraction of high-dose radiation therapy sufficiently fast to freeze physiologic motion, yet with an equal or better degree of dose conformity or sculpting compared to conventional photon therapy. 1. A method for treating a patient , comprising:generating one or more patterned particle beams, each patterned particle, wherein each of the one or more patterned particle beams covers an area of the targeted tissue with spatially varying beam intensity according to a treatment pattern of desired radiation dose distribution;accelerating the one or more patterned particle beams with one or more accelerators; andtransporting and/or magnifying the patterned beam to a desired location, direction, and size suitable for coverage of the targeted tissue, wherein a shape, resolution and contrast of the pattern is suitably maintained during transport and/or magnification so as to deliver the desired radiation dose distribution to the targeted tissue according to the treatment pattern.2. The method of claim 1 , wherein magnifying the patterned beam comprises magnifying the beam through one or more focusing elements disposed within the beamline of the one or more beams. ...

RF window to be used in high power microwave systems

A high-power microwave RF window is provided that includes a cylindrical waveguide, where the cylindrical waveguide includes a ceramic disk concentrically housed in a central region of the cylindrical waveguide, a first rectangular waveguide, where the first rectangular waveguide is connected by a first elliptical joint to a proximal end of the cylindrical waveguide, and a second rectangular waveguide, where the second rectangular waveguide is connected by a second elliptical joint to a distal end of the cylindrical waveguide. 1. A high-power microwave RF window , comprising:a. a cylindrical waveguide, wherein said cylindrical waveguide comprises a ceramic disk concentrically housed in a central region of said cylindrical waveguide;b. a first rectangular waveguide, wherein said first rectangular waveguide is connected by a first elliptical joint to a proximal end of said cylindrical waveguide; andc. a second rectangular waveguide, wherein said second rectangular waveguide is connected by a second elliptical joint to a distal end of said cylindrical waveguide.2. The high-power microwave RF window according to claim 1 , wherein said high-power microwave RF window is capable of supporting a traveling wave inside said ceramic disk.3. The high-power microwave RF window according to claim 1 , wherein said high-power microwave RF window is capable of separating vacuum from atmospheric pressures in a klystron microwave system.4. The high-power microwave RF window according to claim 1 , wherein said high-power microwave RF window is capable of operating in a multi-tens-of-megawatt power environment.5. The high-power microwave RF window according to claim 1 , wherein said high-power microwave RF window is capable of minimizing a normal component of an electric field inside said ceramic disk claim 1 , wherein a traveling wave is created inside said ceramic disk.6. The high-power microwave RF window according to claim 1 , wherein said high-power microwave RF window is capable ...

Methods and systems for beam intensity-modulation to facilitate rapid radiation therapies

Methods and system for facilitating rapid radiation treatments are provided herein and relate in particular to radiation generation and delivery, electron source design, beam control and shaping/intensity-modulation. The methods and systems described herein are particularly advantageous when used with a compact high-gradient, very high energy electron (VHEE) accelerator and delivery system (and related processes) capable of treating patients from multiple beam directions with great speed, using all-electromagnetic or radiofrequency deflection steering is provided; or when used with a high-current electron accelerator system of energy range more conventionally used in photon radiation therapy to produce much faster delivery of intensity-modulated photon radiation therapy, that can in both cases deliver an entire dose or fraction of high-dose radiation therapy sufficiently fast to freeze physiologic motion, yet with a equal or better degree of dose conformity or sculpting compared to conventional photon therapy.

Apparatus for mm-wave radiation generation utilizing whispering gallery mode resonators

An apparatus for generating high frequency electromagnetic radiation includes a whispering gallery mode resonator, coupled to an output waveguide through a coupling aperture. The resonator has a guiding surface, and supports a whispering gallery electromagnetic eigenmode. An electron source is configured to generate a velocity vector-modulated electron beam, where each electron in the velocity vector-modulated electron beam travels substantially perpendicular to the guiding surface, while interacting with the whispering gallery electromagnetic eigenmode in the whispering gallery mode resonator, generating high frequency electromagnetic radiation in the output waveguide. 1. An apparatus for generating mm-wave electromagnetic radiation at an output frequency comprising: a) a whispering gallery mode resonator with a guiding surface , wherein the whispering gallery mode resonator has dimensions selected to support a whispering gallery electromagnetic eigenmode at the output frequency , b) an output waveguide coupled to the whispering gallery mode resonator through an aperture , and c) an electron beam source , wherein the electron beam source is designed to generate a velocity vector-modulated electron beam , wherein the electron beam source is configured such that the velocity vector-modulated electron beam travels substantially perpendicular to the guiding surface.290. The apparatus of wherein the whispering gallery mode resonator is a spherical sector claim 1 , wherein the whispering gallery mode resonator is designed to support two orthogonal whispering gallery eigenmodes with the same output eigen-frequency claim 1 , wherein the apparatus further comprises a coupler coupling the whispering gallery mode resonator to the output waveguide claim 1 , wherein the coupler is designed to couple the two orthogonal whispering gallery eigenmodes with a degree phase difference to the output waveguide.3. The apparatus of wherein the whispering gallery mode resonator is a ...

RF Waveguide Phase-Directed Power Combiners

High power RF phase-directed power combiners include magic H hybrid and/or superhybrid circuits oriented in orthogonal H-planes and connected using E-plane bends and/or twists to produce compact 3D waveguide circuits, including 8×8 and 16×16 combiners. Using phase control at the input ports, RF power can be directed to a single output port, enabling fast switching between output ports for applications such as multi-angle radiation therapy. 1. A high power RF phase-directed power combiner comprising:a first 4×4 superhybrid RF waveguide in a first plane;a second 4×4 superhybrid RF waveguide in a second plane parallel to the first plane;a first RF waveguide circuit in a third plane;a second RF waveguide circuit in a fourth plane parallel to the third plane, where the third and fourth planes are orthogonal to the first and second planes; andE-plane bends connecting the first 4×4 superhybrid RF waveguide to the first RF waveguide circuit and to the second RF waveguide circuit and connecting the second 4×4 superhybrid RF waveguide to the first RF waveguide circuit and to the second RF waveguide circuit.2. The high power RF phase-directed power combiner ofwherein the first RF waveguide circuit is a third 4×4 superhybrid RF waveguide;wherein the second RF waveguide circuit is a fourth 4×4 superhybrid RF waveguide.3. The high power RF phase-directed power combiner ofwherein the first RF waveguide circuit is a first 2×2 magic H hybrid RF waveguide;wherein the second RF waveguide circuit is a second 2×2 magic H hybrid RF waveguide.4. A high power RF directive combining circuit comprising:a first set of hybrid waveguides in a first set of multiple parallel planes;a second set of hybrid waveguides in a second set of multiple parallel planes orthogonal to the first set of parallel planes;a set of waveguide twists connecting ports of the first set of hybrid waveguides to ports of the second set of hybrid waveguides. This application claims priority from U.S. Provisional Patent ...

Traveling wave linear accelerator with RF power flow outside of accelerating cavities

A high power RF traveling wave accelerator structure includes a symmetric RF feed, an input matching cell coupled to the symmetric RF feed, a sequence of regular accelerating cavities coupled to the input matching cell at an input beam pipe end of the sequence, one or more waveguides parallel to and coupled to the sequence of regular accelerating cavities, an output matching cell coupled to the sequence of regular accelerating cavities at an output beam pipe end of the sequence, and output waveguide circuit or RF loads coupled to the output matching cell. Each of the regular accelerating cavities has a nose cone that cuts off field propagating into the beam pipe and therefore all power flows in a traveling wave along the structure in the waveguide.

Apparatus for mm-wave radiation generation utilizing whispering gallery mode resonators

An apparatus for generating high frequency electromagnetic radiation includes a whispering gallery mode resonator, coupled to an output waveguide through a coupling aperture. The resonator has a guiding surface, and supports a whispering gallery electromagnetic eigenmode. An electron source is configured to generate a velocity vector-modulated electron beam, where each electron in the velocity vector-modulated electron beam travels substantially perpendicular to the guiding surface, while interacting with the whispering gallery electromagnetic eigenmode in the whispering gallery mode resonator, generating high frequency electromagnetic radiation in the output waveguide.

Methods and systems for beam intensity-modulation to facilitate rapid radiation therapies

Methods and systems for rf power generation and distribution to facilitate rapid radiation therapies

Methods and system for facilitating rapid radiation treatments are provided herein and relate in particular to radiation generation and delivery, power production and distribution, and electron source design. The methods and systems described herein are particularly advantageous when used with a compact high-gradient, very high energy electron (VHEE) accelerator and delivery system (and related processes) capable of treating patients from multiple beam directions with great speed, using all-electromagnetic or radiofrequency deflection steering is provided, that can deliver an entire dose or fraction of high-dose radiation therapy sufficiently fast to freeze physiologic motion, yet with a better degree of dose conformity or sculpting than conventional photon therapy.

Traveling wave linear accelerator with RF power flow outside of accelerating cavities

A high power RF traveling wave accelerator structure includes a symmetric RF feed, an input matching cell coupled to the symmetric RF feed, a sequence of regular accelerating cavities coupled to the input matching cell at an input beam pipe end of the sequence, one or more waveguides parallel to and coupled to the sequence of regular accelerating cavities, an output matching cell coupled to the sequence of regular accelerating cavities at an output beam pipe end of the sequence, and output waveguide circuit or RF loads coupled to the output matching cell. Each of the regular accelerating cavities has a nose cone that cuts off field propagating into the beam pipe and therefore all power flows in a traveling wave along the structure in the waveguide.