光程

Unlike current diffuse reflectance visible spectroscopy, the visible microspectroscopy can obtain the cell-level spectral information, It is not affected by changes of optical path length induced by different set-up of prober and hemoglobin concentration due to the pressure between prober and tissue.

对比常见的漫反射可见光谱技术，可见光显微光谱技术能够获取细胞大小范围内的信息，而且不受探头结构差异导致的传输光程长短，以及测量时探头施加压力导致的血红蛋白浓度异常变化的影响。

Lost and cost are two problems which are difficult to be resolved coinstantaneous in Fiber Bragg grating reflection signal pickup. We analyzed the spectra transmission characteristics of FBG Sagnac loop with coupled mode theory , and discussed the affection of optical path difference to its transmission.

论文利用模式耦合理论，对光纤Bragg光栅Sagnac环的传输特性进行细致的讨论，分析了光程差对其传输特性的影响，并提出了光纤光栅Sagnac环包络带通滤波器的概念，指出其在光纤光栅反射信号提取中的低损耗和低代价的特性，最后通过实验研究验证了理论上的分析和构想。

In discussing the properties of reflection and refraction of fiber grating, the coupled-mode equation, envelope function, transform matrix formalism, multilayer and optical path approximation are used for describing the linear and nonlinear characteristic of optical fiber grating.

在分析光栅的反射和透射规律时，采用了耦合模式法，包络函数法，转换矩阵法，多层介质薄膜法以及光程法，这些方法虽然具有不同的数学和物理模型，但在分析光纤光栅这一特殊的波导结构时，可充分展现它的线性和非线性特性。

A double-pass schlieren system using a combination of lenses and mirrors was designed for non-intrusive visualization and measurements of large-field flows such as internal waves.

为了实现对内波等流场的大视场无干扰竖向显示测量，设计了一种透镜和反射镜结合使用的平面反射双光程形式的纹影系统。

Due to its feature of selective absorption,so we can monitor many sorts of gas in a photoacoustic cell.

为了提高灵敏度，可以直接增加探测室外的光程，即增加吸收长度。

Of or relating to optical systems that correct for spherical aberration.

等光程的，透镜消球差的矫正球面像差的光学系统或与之有关的

The phase of interference signal is modulated in time domain by sinusoidally changing the injection current of a laser diode.

通过正弦地改变半导体激光器的注入电流在时域内实现对干涉信号的相位调制，形成准外差干涉测量模式，提高了光程差的测量精度。

We use GRIN lens as collimating or focusing lens for transmission gas cell ,and a method that using cascaded GRINLens couple to increase the optical path length is presented. Using this method ,the detection sensitivity of the gas cell has been greatly increased.

利用自聚焦透镜作为光纤准直透镜和聚焦透镜，应用于透射型气室，并提出了在透射式气室中将多对自聚焦透镜组串联用以增加吸收光程的方法，用该方法可以明显提高气室的检测灵敏度。

In this research, wastewater containing Cationic Red X-GRL dye was treated by UV, ozone, and ozone combined with UV, respecively. After determining the·OH indirect reaction rate constant k〓, the radiation flow rate of UV lamp P〓, the volumetric mass transfer coefficient k〓a, and the effective length of the radiation in photochemical reactor L, the influence factor, mechanism, kinetics, and modeling were investigated for these three processes.

在确定·OH间接反应速度k〓、光源总辐射流率P〓、体积传质系数k〓α、反应器有效光程L等工作的基础上，用UV、O〓、O〓/UV等方法处理阳离子红X-GRL染料废水，进行了影响因素研究、动力学研究、机理研究、模型研究、氧化与生化组合研究等。

It is composed of above two mircoprisms dislocated and closely arranged, each microprism has three all-reflecting surfaces, N microprisms change the light beam into N vertical closely-arranged light beam groups, the distance between the light beam groups can be controlled by the difference of optical distance of the light beam between the first and second reflecting surfaces of the two adjacent microprisms and after shaped, the light beam does not change the advancing direction.

本整形器是由两片以上棱镜错位紧密排列构成，每片微棱镜有三个全反射面，N片棱镜使得光束变成N个垂直紧密排列的光束组，光束间的距离可由相邻两棱镜的第一反射面和第二反射面间光束光程差控制，并且整形后光束不改变前进方向。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。