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。
The principle and features of coherence multiplexing technology of optical fiber sensor with double interferometer structure are described,and the demodulation schemes and improved schemes are given by examples.
本文给出双干涉仪结构的光纤传感器相干复用技术的原理、特点 ,并列举实例提出多种解调方案和改进方案。
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。
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。
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。
Coherence length
相干长度(谐波列长度)
Coherence length tunable semiconductor laser
相干长度可连续调谐的半导体激光器
Comparison of the Interference Lengths of Sodium and Laser with Michelsen s Interferometer;
用迈克尔逊干涉仪比较钠光和激光的相干长度
Study on the Radial Variations of Growth Ring Width,Air-dried Wood Density and Fiber Length of Toona sinensis(A.Juss.)Roem.and Their Relativity
香椿生长轮宽度·木材气干密度·纤维长度径向变异及其相关性研究
This makes the relatedness range from0 for unrelated files to1( or100 percent) for identical files, regardless of length.
亲疏值从0（不相干的档案）1（全相同的档案）与档案的长度无关。
This situation is called constructive interference.
这种情形称作相长干涉。
Under water stress root dry weight of winter wheat grown in the pots is positively linearly related to its root length density significantly.
水分胁迫下，盆栽冬小麦根干重和根长密度呈直线正相关。
Active Contour Technique Based on Minimum Description Length Principle;
基于最小描述长度准则的活动围道方法及其若干相关技术
Parents Bullying Attitudes and Modes of Intervention with Children Bullying Research
家长对欺负行为的态度及干预方式与儿童欺负行为的相关研究
High-Accuracy determination of very long baseline interferometry phase delays and its applications in China's future missions
超高精度的甚长基线干涉相位时延推导法及其在我国的应用前景
millimetre-wavelength interferometry
毫米波长干涉量度学
VLBI (very long baseline interferometry)
甚长底线干涉量度法
With quasimonochromatic thermal light as an example, the values of coherence time and coherence length in various definitions are compared each other.
并以准单色热光源为例,比较了它在不同定义下的相干时间、干长度的取值。
interferometry by holography
全息照相干涉量度学
being of a considerable distance or length.
距离或长度相当大的。
Greek cross
四臂长度相等的十字架
an ancient Roman unit of length equivalent to 1620 yards.
罗马长度单位相当于码。
Influence of Phase Decoherence on Quantum Teleportation Fidelity;
相位退相干对量子传输保真度的影响