Effect of Heat Spreader Location on Lasing Properties of End-Pumped Vertical-External-Cavity Surface-Emitting Lasers

概要

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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 9.2 W at 1060 nm and a slope efficiency of ${\sim}50.3$% 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.
Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
2007-08-15

著者

Park Yongjo
Photonics Program Team Samsung Advanced Institute Of Technology
Kim Jun-Youn
Photonics Project Team, Display Devices and Materials Lab., Samsung Advanced Institute of Technology, P. O. Box 111, Suwon, Gyeonggi 440-600, Korea
Lee Junho
Photonics Project Team, Display Devices and Materials Lab., Samsung Advanced Institute of Technology, P. O. Box 111, Suwon, Gyeonggi 440-600, Korea
Kim Gi
Photonics Project Team, Display Devices and Materials Lab., Samsung Advanced Institute of Technology, P. O. Box 111, Suwon, Gyeonggi 440-600, Korea
Cho Soohaeng
Photonics Project Team, Display Devices and Materials Lab., Samsung Advanced Institute of Technology, P. O. Box 111, Suwon, Gyeonggi 440-600, Korea
Yoo Jaeryung
Photonics Project Team, Display Devices and Materials Lab., Samsung Advanced Institute of Technology, P. O. Box 111, Suwon, Gyeonggi 440-600, Korea
Kim Ki-Sung
Photonics Project Team, Display Devices and Materials Lab., Samsung Advanced Institute of Technology, P. O. Box 111, Suwon, Gyeonggi 440-600, Korea
Lim Seong-Jin
Photonics Project Team, Display Devices and Materials Lab., Samsung Advanced Institute of Technology, P. O. Box 111, Suwon, Gyeonggi 440-600, Korea
Lee Sang-Moon
Photonics Project Team, Display Devices and Materials Lab., Samsung Advanced Institute of Technology, P. O. Box 111, Suwon, Gyeonggi 440-600, Korea
Kim Taek
Photonics Project Team, Display Devices and Materials Lab., Samsung Advanced Institute of Technology, P. O. Box 111, Suwon, Gyeonggi 440-600, Korea
Park Yongjo
Photonics Project Team, Display Devices and Materials Lab., Samsung Advanced Institute of Technology, P. O. Box 111, Suwon, Gyeonggi 440-600, Korea
Cho Soohaeng
Photonics Program Team, Samsung Advanced Institute of Technology, Mt. 14-1, Nongseo-Ri, Giheung-Eup, Yongin-Si, Gyeonggi-Do 443-743, Korea

Effect of Heat Spreader Location on Lasing Properties of End-Pumped Vertical-External-Cavity Surface-Emitting Lasers

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