Abstract
Pulsed microwigglers can develop unusually high magnetic fields with short periods. They find potential applications in compact system that use low energy accelerators that can generate very bright electron beams, and in systems that lase on high harmonics of the fundamental frequency. In the past many of the unique properties of pulsed wigglers have been addressed. In this paper we will concentrate on our solutions to the practical problems that must be solved to make such a device work. Among other topics we will discuss the following: achieving adequate precision in fabrication; controlling quadrupole fields; “trimming” the field after fabrication; providing structural support, cooling, and vacuum; and coupling to the pulsed power supply. Completed microwigglers of our design will be installed in an FEL this summer to lase on the fundamental in the red part of the spectrum and on the third harmonic in the ultraviolet.
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