Near 1 kW of continuous-wave power from a single high-efficiency diode-laser bar

被引：36

作者：

Li, Hanxuan ^{[1
]}

Towe, Terry ^{[1
]}

Chyr, Irving ^{[1
]}

Brown, Denny ^{[1
]}

Nguyen, Touyen ^{[1
]}

Reinhardt, Frank ^{[1
]}

Jin, Xu ^{[1
]}

Srinivasan, Raman ^{[1
]}

Berube, Myra ^{[1
]}

Truchan, Tom ^{[1
]}

Bullock, Robert ^{[1
]}

Harrison, James ^{[1
]}

机构：

[1] Div Newport Corp, Spectra Phys Lab, Tucson, AZ 85706 USA

来源：

IEEE PHOTONICS TECHNOLOGY LETTERS | 2007年 / 19卷 / 13-16期

关键词：

laser bars; laser diodes; quantum conversion efficiency; quantum-well laser;

D O I：

10.1109/LPT.2007.898820

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Near 1 kW of continuous-wave output power has been obtained from a single I-cm-wide diode-laser bar. Mounted on a water-cooled microchannel heat sink, the operating wavelength was near 940 nm (at similar to 400 W) and the measured thermal resistance was as low as 0.08 degrees C/W. Maximum power conversion efficiencies (PCEs) of 70% and 67% were obtained from high-fill-factor bars with cavity lengths of 4 and 5 mm, respectively. A maximum PCE of 72.2% was achieved with 3-mm broad-area single emitters. On-going lifetime data may signal the stable operation at unprecedented powers.

引用

页码：960 / 962

页数：3

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