高功率光纤激光器的技术进展与应用研究
时间:2020-12-20 11:07 来源:毕业论文 作者:毕业论文 点击:次
| 摘要高功率光纤激光器作为光纤激光器的延伸，具有较低的阈值、高转换效率、光束质量好、散热性能好和结构紧凑等优点，被广泛应用于光学通信、医疗设备、工业加工和国防军事等领域。本文回顾了高功率光纤激光器的发展史及国内外最新的发展状况，简要介绍高功率光纤激光器的工作机理和关键技术,指出高功率光纤激光器未来的发展趋势和制约其发展的主要因素；然后研究高功率光纤激光器在各个领域的应用前景；最后，通过对比当前主流的相干组束技术，提出有效提高高功率光纤激光器输出功率的方案。61104 毕业论文关键字：光纤激光器 高功率 双包层光纤 应用 相干组束 Title Technical progress and Applied research of High Power Fiber Lasers Abstract As an extension of the fiber lasers, high power fiber lasers has the characteristics of low threshold, high conversion efficiency, good beam quality, compact structure and good heat dissipation performance advantages. And it is widely applied in optics communications, medical equipment, industrial processing and national defense military and some other fields. This paper at first reviews the development of high power fiber laser and the latest development situation at home and abroad, and then introduces the work principle and the key technology of high power fiber laser briefly, thirdly points out the trend of its development and the main factors which restrict the development; next this paper studies the application prospects of the high power fiber laser in various fields; Finally, by comparing the current mainstream of coherent beam combination technology, the paper puts forward the program which can improve the output power of high power fiber laser. Keywords Fiber lasers High power Double-cladding fiber Application Coherent beam combination 目录 1绪论1 1.1光纤激光器的结构原理1 1.2光纤激光器的主要特点2 1.3本文的主要工作2 2高功率光纤激光器的技术进展4 2.1国外高功率光纤激光器的发展史4 2.2高功率光纤激光器国内发展现状5 2.3高功率光纤激光器国内外发展差距分析7 3高功率光纤激光器关键技术9 3.1双包层光纤9 3.2光纤光栅.10 3.3激光半导体模块.10 4高功率光纤激光器的应用研究.12 4.1工业领域.12 4.2医疗领域.13 4.3军事领域.14 5高功率光纤激光器相干组束技术方案16 5.1主振荡放大（MOPA）.16 5.2多芯光纤自组束.17 5.3全光纤组束.17 5.4自锁相与被动锁相的差距分析.17 6高功率光纤激光器未来发展趋势.19 总结.20 致谢.21
参考文献.22 |