CAJ | 학술논문

采用柱透镜对10单元阵列半导体激光器的输出光束进行了有效收集和预准直及与多模光纤之间的耦合实验。激光器采用808 nm波长、150 μm条宽的发射单元，周期为1 000 μm，与200 μm芯径平端光纤阵列的耦合效率高达75 %，光纤输出功率7．5 W。分析了影响耦合效率的主要因素。
채용주투경대10단원진렬반도체격광기적수출광속진행료유효수집화예준직급여다모광섬지간적우합실험。격광기채용808 nm파장、150 μm조관적발사단원，주기위1 000 μm，여200 μm심경평단광섬진렬적우합효솔고체75 %，광섬수출공솔7．5 W。분석료영향우합효솔적주요인소。
The light output of 10-stripe LD arra y is effectively collected,pre-collimated with cylindrical lens,and coupled int o a bundle of multi-mode fibers.The width of emitting stripe is 150 μm with a period of 1000 μm and the lasing wavelength of the LD array is 808 nm.The coup ling efficiency between LD array and 200 μm core-diameter fibers with flat en d is as high as 75 %,more than 7.5 W CW light output from fibers has been achiev ed.Also the main factors effecting coupling efficiency are analyzed.