Scheitrum et al., 1981 - Google Patents
A triple pole piece magnetic field reversal element for generation of high rotational energy beamsScheitrum et al., 1981
- Document ID
- 17062281594586291660
- Author
- Scheitrum G
- True R
- Publication year
- Publication venue
- 1981 International Electron Devices Meeting
External Links
Snippet
This paper describes a magnetic field reversal technique enabling production of high-quality isorotational hollow beams for use in fundamental mode gyrotrons, fast/slow wave hybrids such as devices in which an E-layer rotates within a fluted waveguide, and collective effect …
- 230000002441 reversible 0 title abstract description 48
Classifications
-
- H—ELECTRICITY
- H01—BASIC ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J23/00—Details of transit-time tubes of the types covered by group H01J25/00
- H01J23/02—Electrodes; Magnetic control means; Screens
- H01J23/08—Focusing arrangements, e.g. for concentrating stream of electrons, for preventing spreading of stream
- H01J23/087—Magnetic focusing arrangements
- H01J23/0873—Magnetic focusing arrangements with at least one axial-field reversal along the interaction space, e.g. P.P.M. focusing
-
- H—ELECTRICITY
- H01—BASIC ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
- H01J37/32—Gas-filled discharge tubes, e.g. for surface treatment of objects such as coating, plating, etching, sterilising or bringing about chemical reactions
- H01J37/32431—Constructional details of the reactor
- H01J37/3266—Magnetic control means
-
- H—ELECTRICITY
- H01—BASIC ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J25/00—Transit-time tubes, e.g. Klystrons, travelling-wave tubes, magnetrons
- H01J25/34—Travelling-wave tubes; Tubes in which a travelling wave is simulated at spaced gaps
- H01J25/36—Tubes in which an electron stream interacts with a wave travelling along a delay line or equivalent sequence of impedance elements, and without magnet system producing an H-field crossing the E-field
-
- H—ELECTRICITY
- H01—BASIC ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
- H01J37/02—Details
-
- H—ELECTRICITY
- H01—BASIC ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Halbach | Application of permanent magnets in accelerators and electron storage rings | |
| KR100442990B1 (en) | Systems and Methods for Generating Nested Static and Time-Varying Magnetic Fields | |
| US6215124B1 (en) | Multistage ion accelerators with closed electron drift | |
| US6208080B1 (en) | Magnetic flux shaping in ion accelerators with closed electron drift | |
| US5014028A (en) | Triangular section permanent magnetic structure | |
| US4731598A (en) | Periodic permanent magnet structure with increased useful field | |
| JPH10233299A (en) | Charged particle beam expander | |
| Budker et al. | The Gyrocon: An Efficient Relativistic High Power VHF Generator | |
| EP3120373B1 (en) | Compact magnet design for high-power magnetrons | |
| US2841739A (en) | Electron beam systems | |
| US6548809B2 (en) | Electromagnetic device for production of cold neutral atoms | |
| KR20190129786A (en) | Compact deflecting magnet | |
| Scheitrum et al. | A triple pole piece magnetic field reversal element for generation of high rotational energy beams | |
| McDermott et al. | Periodic permanent magnet focusing of an annular electron beam and its application to a 250 MW ubitron free‐electron maser | |
| Halbach | Permanent magnets for production and use of high energy particle beams | |
| EP1082540B1 (en) | Magnetic flux shaping in ion accelerators with closed electron drift | |
| WO2006124741A2 (en) | Non-axisymmetric periodic permanent magnet focusing system | |
| Mehdian et al. | Electron trajectories in a free-electron laser with planar wiggler and ion-channel guiding | |
| US4019088A (en) | Electrovacuum SHF apparatus | |
| Stankiewicz | Analysis of spent beam refocusing to achieve optimum collector efficiency | |
| US3020440A (en) | Electron beam device | |
| JP3117373B2 (en) | Gyrotron magnetic field generator | |
| Mikage et al. | Development of a magnetic quadrupole lens for low energy heavy ion beam transport | |
| Brewer | On the Focusing of High‐Current Electron Beams | |
| Poole et al. | Periodic magnets for undulators and free electron lasers--A review of performance features |