a A 15 kW Fiber-Coupled Diode Laser for Pumping Applications

被引:12
|
作者
Matthews, David G. [1 ]
Kleine, Klaus [1 ]
Krause, Volker [2 ]
Koesters, Arnd [2 ]
Duennwald, Daniel [2 ]
Pflueger, Silke [1 ]
机构
[1] Laserline Inc, 1800 Wyatt Dr,Suite 9, Santa Clara, CA 95054 USA
[2] Laserline GmbH, D-56218 Muelheim Kaerlich, Germany
关键词
Diode Laser; Pump Source; Beam Shaper; Fiber Coupling;
D O I
10.1117/12.906464
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
New solid-state laser architectures require higher pump powers. In this paper we report the development of a new fiber-coupled diode laser capable of generating 15 kW from a 2 mm diameter fiber with a 0.22 NA, representing a brightness of 220 mm.mrad at a single wavelength. In this design a special beam transformation technique has been developed to achieve these specifications at a single wavelength without the wavelength combination technique employed in high power diode lasers used in material processing applications. The specific laser presented here is at 938 nm with a spectral bandwidth of 3.1 nm FWHM, but the same architecture is possible for wavelengths between 910 and 1060 nm.
引用
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页数:6
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