Patent ID: 6556595
Filing Date: 2003-04-29
Classification: H05H

Abstract:
A wiggler of the hybrid type consisting of a pair of oppositely facing arrays with intervention of a gap space therebetween each formed of a plurality of main permanent magnet blocks and a plurality of blocks of a magnetically soft ferrromagnetic material as pole pieces alternately arranged in the longitudinal direction of the array, each main permanent magnet block in one array just facing one of the main permanent magnet blocks in the other array and each pole piece in one array just facing one of the pole pieces in the other array, in which each of the pole pieces is sandwiched on the lateral surfaces with a pair of auxiliary permanent magnet blocks and wherein each of the pole pieces is provided with a mechanical means by which the pole piece is slidable in the direction perpendicular to the longitudinal direction of the array within the space surrounded by a pair of the main permanent magnet blocks and a pair of the auxiliary permanent magnet blocks.