منابع مشابه
Conceptual Design of a Permanent Quadrupole Magnet with Adjustable Strength
The conceptual design of a quadrupole magnet is de scribed that uses both permanent magnet material and soft iron. The quadrupole gradient can be adjusted without a ecting the field distribution, and the basic design principle can be used to build dipole and other multi pole magnets.
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The final focus system for the Thomson X-ray scattering experiment termed PLEIADES (Picosecond Laser-Electron InterAction for Dynamic Evaluation of Structures) at LLNL demands ultra-high field gradient quadrupoles in order to focus initially small beams to 1020μm spot sizes. The scheme present here circumvents limitations due to chromatic aberrations and space-charge effects in this relatively ...
متن کاملAdjustable, short focal length permanent-magnet quadrupole based electron beam final focus system
1098-4402= Advanced high-brightness beam applications such as inverse-Compton scattering (ICS) depend on achieving of ultrasmall spot sizes in high current beams. Modern injectors and compressors enable the production of high-brightness beams having needed short bunch lengths and small emittances. Along with these beam properties comes the need to produce tighter foci, using stronger, shorter f...
متن کاملBrushless Permanent Magnet Servomotors
Electrical motors drive a variety of loads in today’s world. Almost every industrial process relies on some kind of electrical motors and generators. There exist billions electric motors used in different applications all over the world. Majority of them are small fractional HP motors use in household appliances. However, they used about 5% of the electricity used by the motors. Three phase mot...
متن کاملControlled Permanent Magnet Drives
The considered converter-fed permanent magnet motor could alternatively be operated in two basically different states − the vector control mode or alternatively the brushless dc, also known as electronically commutated mode. Several quality aspects concerning the system performance have been comparatively investigated in practical as well as theoretical manner. Focus is thereby given to the num...
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ژورنال
عنوان ژورنال: IEEE Transactions on Applied Superconductivity
سال: 2006
ISSN: 1051-8223
DOI: 10.1109/tasc.2006.873248