Schematic diagram of high power fiber laser using a double-clad fiber.
<ul><li><a href="//commons.wikimedia.org/wiki/File:Fl.png" class="mw-redirect" title="File:Fl.png">Fl.png</a>: <a href="//commons.wikimedia.org/w/index.php?title=User:Danielsoh8&amp;action=edit&amp;redlink=1" class="new" title="User:Danielsoh8 (page does not exist)">Danielsoh8</a></li>
<li>derivative work: <a href="//commons.wikimedia.org/wiki/User_talk:Das_steinerne_Herz" title="User talk:Das steinerne Herz"><font size="3" face="Monotype corsiva" color="#000000">Das steinerne Her<span style="border-top:solid 2px red;color:red">z</span></font></a></li></ul>
2011-06-13 09:37
<ul><li><a href="//commons.wikimedia.org/wiki/File:Fl.png" class="mw-redirect" title="File:Fl.png">Fl.png</a></li></ul>