新型透明陶瓷薄片激光器研究
文献类型：学位论文
| 作者 | 蔡虹 |
| 学位类别 | 硕士 |
| 答辩日期 | 2008 |
| 授予单位 | 中国科学院上海光学精密机械研究所 |
| 导师 | 周军 |
| 关键词 | 激光陶瓷 陶瓷激光器 薄片 |
| 其他题名 | Study on Novel Transparent Ceramic Thin Disk Laser |
| 中文摘要 | 新一代的纳米技术,解决了透明激光陶瓷制备的瓶颈，给固体激光材料带来了革命性的成果。短短十几年的发展，陶瓷激光器向世界展示了其独特的优势，并向着高功率、大能量、新材料、多功能和新结构方向发展。陶瓷激光器所表现出来的优越性能和在固体激光领域的新拓展，吸引了世界各国研究者的极大兴趣。2006年，我国自行研制的透明激光陶瓷首次实现了激光输出，标志着我国的陶瓷激光器研究进入了新的阶段。本论文简要介绍了透明陶瓷独特的制备方法及其优势，重点研究了薄片结构新型透明陶瓷的光学和激光特性，内容如下： 第一章主要介绍了透明陶瓷的发展历史，创新的制备方法，优良的物理和光学性质，最后对透明陶瓷的应用做了总结和展望。 第二章研究了国产高掺杂的Nd:YAG陶瓷薄片的光学和激光性能，在对陶瓷薄片采取冷却的情况下，实现了1.08W的最高激光功率输出，斜率效率16.6％。 第三章研究了国产高掺杂Nd:YSAG陶瓷薄片的激光特性。在实现激光输出的基础上，首次发现了该材料的双波长激光输出竞争现象。并同高掺杂Nd:YAG的双波长输出特性进行了比较，运用离子间的能量传递模型，首次对高掺杂Nd:YSAG陶瓷薄片的双波长竞争现象给予了合理解释。 第四章采用CAMIL结构和微通道冷却装置，以复合Yb:YAG/YAG陶瓷薄片为激光介质构成薄片激光器。研究了其在中心波长为970nm和933nm的激光泵浦下的连续和声光调Q激光输出特性，最终获得了最短脉宽29ns，最高峰值功率为40.4kW的脉冲激光输出。 第五章对采用陶瓷技术制备的高掺杂Nd:YAG单晶的激光特性进行了研究，实现了高掺杂Nd:YAG的低阈值激光运转。对Nd:Lu2O3和Yb:Lu2O3,Nd:Y2O3这两种新型透明陶瓷的光谱特性进行了测量和分析，并对激光输出和陶瓷透过率的关系进行了总结讨论。 |
| 英文摘要 | New generation of nanotechnology solves the bottleneck of fabrication of transparent laser ceramic, which brings a whole new stage to the solid state laser.During the development of nearly ten years,ceramic laser has shown the world its unique advantages and leads its way to the High Power, Large Energy,New Material,Multifunction and New Structure.Ceramic laser attracts researchers from all over the world because of its high ratio of performance and price, and its ability to explore a new area in solid state laser. In 2006, China has developed a complete-independent-intellectual-right ceramic laser, which is a symbol of the new satge of ceramic laser in China. This dissertation introduces the unique fabrication of laser ceramic and its merits, and mainly studys the optical and laser performances of disk-structure, novel ceramic laser: The first chapter introduces the history of transparent ceramic, the novel fabrication method, excellent physical and optical characteristics. The applications of the laser ceramic are also summarized in this chapter. The second chapter studies the optical and laser performance of high-doped Nd:YAG ceramic disk. With a cooling system on the medium, we get a maximum laser power of 1.08W and a slope efficiency of 16.6%. The third chapter studies the property of China-made high-doped Nd:YSAG ceramic disk. Besides we successfully obtained CW laser from this media, we discovered a dual-wavelength competitive output in this medium for the first time.We also give a reasonable explanation of this new phenomena for the first time, by comparing the different dual-wavelength behaviors of Nd:YAG and Nd:YSAG we got from experiment, and applying the energy-transfer model between ions. In the fourth chapter, we apply a composite Yb:YAG/YAG ceramic disk to a CAMIL structure and micro-channel cooling system. We studies the CW laser and Acousto Q-switched performance of this medium under different pump systems, with central wavelength at 970nm and 933nm respectively. We finally obtain laser pulse with a minimun pulse-width of 29ns and maximum peak power of 40.4kW. Our results show that this type of ceramic laser can be used in high power area. The fifth chapter studies the laser property of high doped Nd:YAG single crystal. We successfully obtain low threshold laser from high doped Nd:YAG.Meanwhile,we also analyze the spectrum property of transparent Nd:Lu2O3，Yb:Lu2O3, and Nd:Y2O3, and sum up the relation of laser output and the transmission of the ceramic. |
| 语种 | 中文 |
| 源URL | [http://ir.siom.ac.cn/handle/181231/16395]  |
| 专题 | 上海光学精密机械研究所_学位论文 |
| 推荐引用方式 GB/T 7714 | 蔡虹. 新型透明陶瓷薄片激光器研究[D]. 中国科学院上海光学精密机械研究所. 2008. |
入库方式： OAI收割
来源：上海光学精密机械研究所
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