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一种特殊几何形状的光纤已研究成功并用于光纤激光器,这种激光器在1.06μm下能产生9.2W的连续波输出.这种双包层的光纤提供了一种简单而有效的手段将来自大功率激光二极管阵列的多模泵浦光转换成具有良好光束质量的明亮激光辐射.德国汉诺威Laser Zentrum公司、德国耶拿The Institut für Physikalis-che Hochtechnologie研究所和瑞士加伦Fisba Optik公司把研究手段联合起来,证明在具有双重包层的光纤中有可能增高(scaling)线性输出功率.泵浦辐射可以有效地注入围绕掺杂光纤芯周围的多模波导.
A special geometry of optical fiber has been studied and used in fiber lasers, which produce a continuous wave output of 9.2 W at 1.06 μm. This double-clad fiber provides a simple and effective means of coming from a large Multimode pumping of power laser diode arrays into bright laser radiation with good beam quality Laser Zentrum Hannover, Germany, Jena, Germany The Institut für Physikalis-che Hochtechnologie Institute and Fisba Optik, Gallen, Switzerland, combine research techniques Show that it is possible to scale the linear output power in an optical fiber with a double cladding.The pump radiation can be efficiently injected into the multimode waveguide surrounding the doped optical fiber core.