Effect of heat spreader location on lasing properties of end-pumped vertical-external-cavity surface-emitting lasers

被引：1
作者：
Kim, Jun-Youn [1 ]
Lee, Junho [1 ]
Kim, Gi Bum [1 ]
Cho, Soohaeng [1 ]
Yoo, Jaeryung [1 ]
Kim, Ki-Sung [1 ]
Lim, Seong-Jin [1 ]
Lee, Sang-Moon [1 ]
Kim, Taek [1 ]
Park, Yongjo [1 ]
机构：
[1] Samsung Adv Inst Technol, Photon Project Team, Display Devices & Mat Lab, Suwon 440600, Gyeonggi, South Korea
来源：
JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS | 2007年 / 46卷 / 8A期
关键词：
vertical-external-cavity surface-emitting laser; end pumping; heat spreader; laser efficiency; optical pumping; external-cavity semiconductor laser;
D O I：
10.1143/JJAP.46.5157
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We characterize the lasing properties of two configurations of end-pumped vertical-external-cavity surface-emitting lasers: one with an intracavity diamond heat spreader, the other with an extracavity heat spreader. A pump-power-limited CW output power of 9.2W at 1060 nm and a slope efficiency of similar to 50.3% are achieved with the extracavity heat spreader. With the intracavity heat spreader, the output power and slope efficiency are 7.6 W and 42.2%, respectively. The difference in the slope efficiency can be explained by the difference in absorption efficiency, caused by different spatial distributions of the absorbed pump light.
引用
收藏
页码：5157 / 5159
页数：3
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