Variable-period undulators for synchrotron radiation

Details Variable-period undulators for synchrotron radiation Variable-period undulators for synchrotron radiation

2005-02-22

2005-02-22

Wong, Don (Department: 2821)

Electric lamp and discharge devices: systems

High energy particle accelerator tube

Magnetic field acceleration means

C315S501000, C372S002000

Reexamination Certificate

active

06858998

ABSTRACT:
A new and improved undulator design is provided that enables a variable period length for the production of synchrotron radiation from both medium-energy and high-energy storage rings. The variable period length is achieved using a staggered array of pole pieces made up of high permeability material, permanent magnet material, or an electromagnetic structure. The pole pieces are separated by a variable width space. The sum of the variable width space and the pole width would therefore define the period of the undulator. Features and advantages of the invention include broad photon energy tunability, constant power operation and constant brilliance operation.

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patent: 5483129 (1996-01-01), Yamamoto
patent: 5714850 (1998-02-01), Kitamura et al.
patent: 6636534 (2003-10-01), Madey et al.

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