A sub-mount, an LD bar and a light guide duct are mounted on an LD package main body of a semiconductor laser, and an outgoing section of the LD bar is inserted into the light guide duct. A gold metallized insulating plate is fused on one side of the LD package main body, and the LD bar and the gold...http://www.google.com.hk/patents/US6314121?utm_source=gb-gplus-share專利 US6314121 - Semiconductor laser-excitation solid-state laser device