Spherical Halbach array
Posted: Tue Jul 13, 2010 6:39 pm
http://www.google.com/patents/about?id= ... US+4837542
More compact than a cylindrical Halbach array. Charged particles entering along the axis see no F=qvxB until they veer off axis. Then they see a force at right angles to v and B and start to spiral. Might be useful for reducing beam spread or selecting energies.
More compact than a cylindrical Halbach array. Charged particles entering along the axis see no F=qvxB until they veer off axis. Then they see a force at right angles to v and B and start to spiral. Might be useful for reducing beam spread or selecting energies.