DescriptionElectromagnetwith air gap and magnetic circuit equivalent.png Norsk bokmål: A diagram of the magnetic field (green) of a typical electromagnet. The
performance with quadrupole magnet misalignment from shipboard vibrations ( ) Author Burggraff, David T. Title Free Electron Laser performance with quadrupole
derivative work of the following images: File:Spectroscopy_overview.svg licensed with Cc-by-sa-3.0, GFDL 2011-01-11T15:52:24Z Jkwchui 760x303 (2577995 Bytes)