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Journals and Conferences
A superconducting 7 T wiggler is under fabrication in a collaboration between Budker INP and LSU CAMD. The wiggler magnet has been successfully tested inside a bath cryostat and a maximum field of 7.2 T was achieved after six quenches. The main parameters of the wiggler and the method of the wiggler installation onto the storage ring are discussed.
The problem of creation of high-"eld superconducting wigglers has been attracting rising attention of many synchrotron radiation centers. Several high-"eld three-pole wigglers have been produced at Budker INP in the last few years. Some of the new wigglers are now under fabrication. The main parameters and properties of three-pole high-"eld superconducting… (More)
The Compact Linear Collider (CLIC) will require ultralow emittance electron and positron beams. Such emittance will be achieved by radiative damping in the CLIC damping rings that will be realized by a use of high-field short-period superconducting damping wigglers. In the course of the CLIC technical feasibility studies, a full-scale damping wiggler… (More)
To generate hard X-ray beams for residual stress analysis and for magnetic scattering using the BESSY II ring, a 7T wiggler with 17 poles is under development. The wiggler is designed for a critical energy of 16.8 keV with a 13 mm vertical free aperture and an inner chamber on a temperature of 20 K. Essential aspects of the conceptual magnet layout are… (More)
Louisiana State University installed a 7.5 T superconducting wiggler in May 2013 on the electron storage ring located at the Bennett Johnson, Sr. Center for Advanced Microstructures and Devices (CAMD). The wiggler’s influence on betatron tunes and functions, orbit, lifetime, performance, and other relevant beam parameters are described. We further comment… (More)
A low-energy positron beam is a unique probe of materials. In high-energy electron and positron storage rings it is possible to generate intense synchrotron radiation with a photon energy of 1-3 MeV by installing a high-field (8-10 T) superconducting wiggler. High-energy photons are converted to low-energy positrons by using a suitable target-moderator… (More)
One of the main principles in electrodynamics, the change of magnetic field flux inducing an EMF in a wire coil, is applied for magnetic measurement. A scheme and the main parameters of the magnetic measurement system are described. The system was successfully used for magnetic measurement of a 7 T superconducting wiggler for LSU CAMD; results are presented.
Center for Advanced Microstructures and Devices of Louisiana State University (LSU CAMD) is a research center for optimization of synchrotron radiation (SR) for production of soft X-rays. New research projects have necessitated expansion of the SR spectral range to harder X-rays. This task was solved via installation of a superconducting insertion device.… (More)