A vertical cavity surface emitting laser (VCSEL) device with improved power and beam characteristics. The VCSEL device contains one VCSEL or an array of VCSELs. Each VCSEL has a corresponding integrated microlens, and a heat sink is attached to the device side of the VCSEL device. The heat sink allows...http://www.google.com.tw/patents/US6888871?utm_source=gb-gplus-share專利 US6888871 - VCSEL and VCSEL array having integrated microlenses for use in a semiconductor laser pumped solid state laser system
