Analysis of insertion device magnet measurements for the advanced light source

Steve Marks; David E. Humphries; Brian M. Kincaid; Ross D. Schlueter; Chunxi Wang

doi:10.1117/12.164798

29 November 1993 Analysis of insertion device magnet measurements for the advanced light source

Steve Marks, David E. Humphries, Brian M. Kincaid, Ross D. Schlueter, Chunxi Wang

Proceedings Volume 2013, Electron-Beam Sources of High-Brightness Radiation; (1993) https://doi.org/10.1117/12.164798
Event: SPIE's 1993 International Symposium on Optics, Imaging, and Instrumentation, 1993, San Diego, CA, United States

Abstract

The Advanced Light Source (ALS), which is currently being commissioned at Lawrence Berkeley Laboratory, is a third generation light source designed to produce XUV radiation of unprecedented brightness. To meet the high brightness goal the storage ring has been designed for very small electron beam emittance and the undulators installed in the ALS are built to a high degree of precision. The allowable magnetic field errors are driven by electron beam and radiation requirements. Detailed magnetic measurements and adjustments are performed on each undulator to qualify it for installation in the ALS. The first two ALS undulators, IDA and IDB, have been installed. This paper describes the program of measurements, data analysis, and adjustments carried out for these two devices. Calculations of the radiation spectrum, based upon magnetic measurements, are included. Final field integral distributions are also shown. Good field integral uniformity has been achieved using a novel correction scheme, which is also described.

Citation Download Citation

Steve Marks, David E. Humphries, Brian M. Kincaid, Ross D. Schlueter, and Chunxi Wang "Analysis of insertion device magnet measurements for the advanced light source", Proc. SPIE 2013, Electron-Beam Sources of High-Brightness Radiation, (29 November 1993); https://doi.org/10.1117/12.164798

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