光纤激光相干阵列远场光强分布的影响分析

来源 :光学学报 | 被引量 : 0次 | 上传用户:chy006
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
在光纤激光相干组束中,受到各种因素的影响,各个单元激光器出射激光的相位、振幅和偏振态不能保持一致,并随着时间而变化,均会降低相干组束后的光束质量、减弱光束中心的峰值光强和中心区域内的功率.针对光纤激光相干组束中每个单元光束的出射时的相位、振幅和偏振方向扰动对相干组束远场光强分布的影响进行了理论分析,并给出数值计算结果.结果表明远场光强分布的图形、峰值光强度和中心区域内的功率,受到各因素的影响,都会不同程度的变差或减弱.
其他文献
Earthworms(Eiseniafetida)were used to study the impact of low-dose cadmium in treated artificial soil(0,0.6,3,6,15,30 mg/kg)and contaminated natural soil(1.46 m
Clusters of galaxies are the most massive objects in the Universe and precise knowledge of their mass structure is important to understand the history of struct
A fibrous strong base anion exchanger(QAPPS)was prepared for the first time via chloromethylation and quaternary amination reaction of polyphenylene sulfide fib
In this study,the biosorption of copper and zinc ions by Chlorella sp.and Chlamydomonas sp.isolated from local environments in Malaysia was investigated in a ba
应用ANSYS软件对硅藻土填充聚丙烯(PP)复合材料在弯曲载荷下的界面应力分布进行了有限元模拟.结果表明:PP与硅藻土粒子之间界面区各方向的正应力、等效应力、以及xy方向上的
This work has been undertaken to study the influences of pH value on the characteristics and activity of photocatalyst by deposition-precipitation method during
Background HATCH score is an established predictor of progression from paroxysmal to persistent atrial fibrillation (AF).The purpose of this study was to determ
To investigate the impact on urban air pollution by crop residual burning outside Nanjing,aerosol concentration,pollution gas concentration,mass concentration,a
20 years after the discovery of the first planets outside our solar system,the current exoplanetary population includes more than 700 confirmed planets around m
The adsorption of cationic-nordonic mixed surfactant onto bentonite and its effect on bentonite structure were investigated.The objective was to improve the und