QQ客服 官方微博 反馈留言

题名	高功率DPSSL若干关键技术研究
作者	田兆硕
学位类别	博士后
答辩日期	2004
授予单位	中国科学院上海光学精密机械研究所
导师	胡企铨 ; 陈卫标
关键词	二极管激光抽运固体激光器((DPSSL) Q开关 谐振腔 光场分布 相干和束 非相干和束 受激布里渊散射(SBS)
其他题名	RESEARCH ON SEVERAL KEY TECHNOLOGIES FOR HIGH POWER DPSSL
中文摘要	高功率固体激光器已经广泛应用于工业加工、材料处理、军事等多方面领域，特别是二极管抽运固体激光器(LIPSSL >与传统闪光灯抽运比较，具有效率高、寿命长，结构紧凑等优点，己经具有逐步取代闪光灯抽运固体激光器的趋势。但是固体激光器的功率提高受到很多限制，尤其是如何克服热效应(包括热透镜效应、热致退偏效应等)的影响，是人们一直不断研究的重点。虽然二极管抽运取代闪光灯抽运，可以大大降低热效应，但是在高平均功率输出情况下，热效应的影响仍然严重。采用多激光束和束是获得高功率激光输出、高光束质量的一种可行的手段，人们己经进行了很多这方面的研究，其中包括激光器并联和束方法、串并联和束方法、振荡器一功率放大((MOPA)和束方法等。其中涉及到的关键技术很多，如脉冲调Q、谐振腔设计、激光器工作介质选择、热效应补偿以及用相位共扼技术(如SBS)补偿波形畸变等等.
英文摘要	High power solid laser has been widely applied in the fields of industry, material process, military and so on. Diode laser pump has the advantages of high efficiency, long life and compact structure over traditional flash pump, and has the trend of substituting flash pump. However, there are many limitations for improving the output power of solid laser. Especially, how to overcome the influence of the thermal effects is still the importance of studying. Although, thermal effects have been greatly decreased by diode pump. They are still serious in the condition of high average power. It is suitable method to obtain high power and high beam quality by combining several laser beams into one beam. Many studies including parallel lasers combination, serial and parallel lasers combination and master oscillator, power amplifier (MOPA) has been made for this method. Many key technologies are involved during this kind study, such as pulse Q-switching, resonator designing, choosing gain media, and compensating thermal effects. In addition, nonlinear optical phase conjugation such as stimulated Brillouin scattering(SBS) are often used to compensate the aberrations in a laser beam. In this paper
语种	中文
内容类型	学位论文
源URL	[http://ir.siom.ac.cn/handle/181231/16022]
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	田兆硕. 高功率DPSSL若干关键技术研究[D]. 中国科学院上海光学精密机械研究所. 2004.

个性服务

查看访问统计

相关权益政策

暂无数据

收藏/分享

除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。