RESUMEN
Within the SwissFEL project at the Paul Scherrer Institute (PSI), the hard X-ray line (Aramis) has been equipped with short-period in-vacuum undulators, known as the U15 series. The undulator design has been developed within the institute itself, while the prototyping and the series production have been implemented through a close collaboration with a Swiss industrial partner, Max Daetwyler AG, and several subcontractors. The magnetic measurement system has been built at PSI, together with all the data analysis tools. The Hall probe has been designed for PSI by the Swiss company SENIS. In this paper the general concepts of both the mechanical and the magnetic properties of the U15 series of undulators are presented. A description of the magnetic measurement equipment is given and the results of the magnetic measurement campaign are reported. Lastly, the data reduction methods and the associated models are presented and their actual implementation in the control system is detailed.
RESUMEN
Staff development specialists are being forced to look at more economical models to present traditional educational programs. In this article, the author describes a creative approach taken by a nurse educators' consortium in northern New Jersey to collaboratively organize and present a basic critical care course. Benefits to learners as well as educators are identified. Cost analysis of this program versus that of a more traditional approach demonstrates the savings for each of the participating hospitals.