Halbach Undulator Diagram
<ul><li><a href="//commons.wikimedia.org/wiki/File:HalbachArrayFEL.png" title="File:HalbachArrayFEL.png">HalbachArrayFEL.png</a>: Original uploader was <a href="https://en.wikipedia.org/wiki/User:Hiltonj" class="extiw" title="en:User:Hiltonj">Hiltonj</a> at <a class="external text" href="https://en.wikipedia.org">en.wikipedia</a></li>
<li>derivative work: <a href="//commons.wikimedia.org/w/index.php?title=User:XanaG&amp;action=edit&amp;redlink=1" class="new" title="User:XanaG (page does not exist)">XanaG</a> (<a href="//commons.wikimedia.org/wiki/User_talk:XanaG" title="User talk:XanaG"><span class="signature-talk">talk</span></a>)</li></ul>
2011-08-14 23:21
<ul><li><a href="//commons.wikimedia.org/wiki/File:HalbachArrayFEL.png" title="File:HalbachArrayFEL.png">HalbachArrayFEL.png</a></li></ul>