1) degree of coherence
相干度
1.
Numerical simulation shows that both the degree of coherence and additive phase shift influence the intensity.
数值模拟表明,穿过非线性介质后,高斯-谢尔光束的光强变化受到光束的相干度和通过非线性介质后产生的附加相移的共同影响。
2.
The author of this article derives the interference condition on two light sources from the light vector,discusses the relation between interference condition and degree of coherence in terms of the visibilitg and degree of cohernce ,and obtains the additional condition on clear intertference tinge .
利用可见度和相干度的概念,讨论了干涉条件和相干度的关系,得到获得清晰干涉条纹的附加条件。
3.
The results show that the changes of spatial degree of coherence in x and y oriention and the ellipticity influence the tolerance between peak and valley.
结果表明,x和y方向的相干度变化,以及光束偏心率的大小都直接影响着归一化曲线的峰-谷间差值ΔTp-v的大小。
2) coherence degree
相干度
1.
The resultS show that the vaccum State and the single-Photon State have great and quite different influences uPOn coherence degree and amplitude flutuation as well as photon diStribution in coherent hate.
利用态迭加原理移去相干态中某一光子数态，研究了这种残缺相干态的各种性质，结果显示出真空态和单光子数态对光场相干度、振幅起伏和光子数分布有十分明显而又完全不同的影响，残缺其他光子数态的相干态，在光场性质上的表现非常相似，均随平均光子数的变化作衰减振荡。
3) coherence
[英][kəʊ'hɪərəns] [美][ko'hɪrəns]
相干度
1.
The quantum Maxwell-Bloch C-number equations are used to investigate the developing process and coherence properties of electric field and polarization in one dimensional tenuous plasma system in which the homogeneous dephasing damp is exist.
最后给出了电场和极化的相干度及自由电子对相干度的影响。
4) complex degree of coherence
复相干度
1.
Based on the Hopkins formula,the complex degree of coherence for any two points on the mask plane was discussed and a lithography model based on partial coherence theory was constructed.
基于Hopkins公式,研究了接近式紫外光刻中扩展准单色光源经柯勒照明系统传播到掩模表面上任两点的复相干度,并建立相应的基于部分相干光理论的光刻模型。
5) coherent length
相干长度
1.
Because of the restrictions to the coherent length of laser in holograph,the object field can not be recorded as a whole,in addition,the object image becomes obscure and even has some dark(areas).
全息照相由于受激光器功率及激光光源相干长度的限制,对大景深物场不能一次记录;利用激光光源时间相干性随光程、周期变化的特点,同时采用物光扩展与参考光扩展相结合的方法进行光路补偿,用不同光程的物光分区照明被摄物,使物光与参考光的光程等于激光管腔长的偶数倍;实现了用普通的He-Ne激光器记录场景为150 cm×120 cm×30 cm的大景深兵马俑阵;解决了全息照相的景深受激光功率及激光光源相干长度的限制,而无法对大景深物场进行全息记录这一突出问题,为全息照相的景深扩展提供了很好的途径。
2.
The method of measuring the coherent length of the sunlight and the thickness of glass with Michelson interferometer is presented.
本文介绍了用迈克尔逊干涉仪测量白光的相干长度及玻璃片厚度的方法。
3.
The optical interference and coherent length of light source with different spectral width are compared and analyzed.
根据干涉叠加原理研究非单色光的干涉现象,对不同谱线宽度的光波干涉及相干长度进行对比分析,研究了双中心波长准单色光干涉光强的变化规律,以双黄汞灯为光源,按照理论分析的结果进行未知波长测量实验,得出了一定条件下测量未知波长的实验方法,实验结果与理论分析相符。
6) coherence length
相干长度
1.
The research of short coherence length of the all-solid multi-longitudinal mode green laser;
短相干长度全固态多纵模绿光激光器的研究
2.
Revision to coherence length of slant path in atmospheric turbulence
湍流大气中斜程相干长度的修正
3.
In light of the theory of Gimzburg Laudau, this paper elaborates critical fields of the ideal Type II superconductor at mixed state, and comes to the conclusion that lower critical field Hc1 depends on depth of penetration λ and coherence length ξ, upper critical field Hc2 depends on quantity α.
借助Ｇｉｎｚｂｕｒｇ－Ｌａｕｄａｕ理论，阐述了理想第二类超导体处于混合态的临界场，并得出下临界场Ｈｃ１与穿透深度λ、相干长度ξ有关，上临界场Ｈｃ２与参量α有关的结论。
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