Schematic diagram of high power fiber laser using a double-clad fiber.
<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>
2011-02-22
<span class="int-own-work" lang="en">Own work</span>