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The first insertion device built at LNLS was an elliptically polarized undulator, designed to cover the vacuum ultraviolet and the soft X-ray spectrum. Its magnetic characterization was done using two techniques: Hall probes, for local field measurements, and rotating coil, operating in a way similar to flip-coil, to determine the integrated multipoles.(More)
The new Brazilian Synchrotron Light Source (Sirius) is under development and will operate at 3 GeV, with 0.5 A and emmitance close to 1 nmrad. “Green solutions”, using permanent magnets, are being proposed for the dipoles and quadrupoles of the storage ring. This is an attempt to reduce as much as possible the electrical energy consumption,(More)
It is presented a system based on a mini coil with 3mm of section and 450 turns to measure local magnetic field. The structure of a coil is relatively simple, facilitating the evaluation of its sources of errors. The steps used to build the coil are shown as well as the performance of the measurement system. The calibration of the coil was made against a(More)
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