1) coherent combination
相干并束
2) coherent beam combination
相干组束
1.
The principle of double cladding fiber laser is analyzed,simply illustrated the principle and drawbacks of noncoherent beam combination,the coherent beam combination method of multiple optical power amplifier and its advantages are discussed in detail.
分析了双包层光纤激光器的工作原理,简单介绍了非相干组束的原理和缺陷,重点阐述了并联主振荡相干组束方法及相干组束的优势。
2.
The latest progress on high power laser was presented, the potence of coherent beam combination of fiber laser was analyzed.
本文阐述了光纤激光器相干组束的基本原理,总结和分析了典型的相干组束方案,并指出了其中的优缺点,最后介绍了国内最新研究进展,并对光纤激光器相干组束技术的发展作了展望。
3.
The recent techniques of coherent beam combination of fiber lasers are briefly introduced.
综述了目前国内外光纤激光器相干组束的研究现状,分析了几种典型的相干组束技术,对相干组束研究的前景做了简单评述和展望。
3) coherent beam combining
相干组束
1.
Aiming at phase-detecting of each individual beam in coherent beam combining of fiber laser array,a new method based on Fast Fourier Transform(FFT) was developed to detect the phase shift between individual array leg and reference beam.
针对光纤激光阵列相干组束中各路光束位相的检测,提出了一种基于快速傅里叶变换的位相检测方法。
2.
Aiming at the problem that there is no comprehensive model of coherent beam combining through superposed volume gratings, we establish a comprehensive model for two-beams combining and its analytic formula is derived using coupled wave theory.
目前基于重叠体光栅的相干组束系统还没有完整的理论模型和参数分析,针对这个问题,本文采用耦合波理论,建立了比较完整的基于重叠体光栅的双光束组束模型,给出了各光束在重叠体光栅内传播的解析解。
3.
In the paper some newly developed technologies on all-fiber coherent beam combining are introduced.
全面介绍了光纤激光器相干组束技术的发展现状,对注入锁定现象给出了相应的理论解释。
5) coherent beam combining
相干合束
1.
It also includes an analysis of laser combining schemes,which is mainly about the characteristics of the coherent beam combining(CBC),as well as the feasibility of devising an all-fiber CBC scheme with better performance.
文中详细分析了新型的大模场瓣状微结构光纤应用于高功率放大器及激光器时的特性,给出了相应的优化方向;对于激光器输出合成的方案,文中以相干合成方案为主分析了合成光束的性质,并探讨了全光纤化相干合束装置的可行性。
2.
The concept of coherent beam combining, the current status, the future research aspec
本课题主要讨论的是辐射板条状高功率固体激光器,其优点是有效减少激光工作介质的温度梯度,并且可以获得高能量、高功率、高光束质量的相干合束激光输出。
6) coherent beam
相干波束
1.
The calculated results show that the beam generated by a multi-feeds parabolic reflector antenna is a coherent beam not a multi-beam when the distance of feeds reduced.
多波束反射面天线是无源毫米波成像系统接收前端,通过对均匀多波束抛物反射面天线的计算和分析,发现由于电磁场的空间相干性的存在,当馈源间距较小时多馈源抛物反射面天线得不到多个波束而是一个相干波束。
补充资料：相干散射和非相干散射
再辐射的光量子频率和被吸收的光量子频率准确相等的散射过程称为相干散射。在相干散射的情况下，源函数准确地等于平均辐射强度。再辐射的光量子频率和被吸收的光量子频率不相等的散射过程称为非相干散射。在天体物理中，存在一系列因素使散射过程成为非相干散射。主要的因素是：原子的能级有一定的宽度、原子的热运动和湍动以及压力效应等。对于非相干散射，源函数是相当复杂的。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条