光学的

In theory, geometrical and diffractive methods are calculated and numeric results are received. A experimental setup is made for measuring glass beads refractive index by rainbow method.

提出了二次彩虹法测量高折射率玻璃微珠折射率的新方法，理论上分别用几何光学和衍射光学的方法分析了一次彩虹法和二次彩虹法测量玻璃微珠折射率的原理，给出了相应的数值结果，比较了两种测量方法各自的特点。

The mechanical measurement is to use an indicator to measure the surface or the edge of the testing lens mounted in a specific holder in a contact way. The principle of the optical measurement is the geometric optics, utilizing the properties of refraction or reflection of light to detect the centering error of the testing elements in a contactless way.

机械式的测量是利用指示器配合治具对待测透镜之外缘或表面进行接触式测量；而光学式的测量原理则是利用几何光学的折射或反射性质，对待测元件进行非接触式的偏心误差量测。

Firstly, based on the basic theory of GRIN optics the optical effects of the spherical symmetry GRIN micro-sphere lens were analyzed systematically. Firstly, based on the basic theory of GRIN optics the optical effects of the spherical symmetry GRIN micro-sphere lens were analyzed systematically.

本工作从梯度折射率介质光学的基本理论出发，对球对称GRIN微球透镜的光学性能进行了系统的分析；研究了用球对称GRIN微球制作回归反射材料的可能；进而选择两种聚合物单体，采用悬浮扩散共聚法，研究制备了较大粒径的聚合物梯度折射率微球透镜。

Applying matrix optics to paraxial rays, which travel through different optical elements illuminated with high-power Gaussian beams, the positions of ghost image s affected by Kerr-effect-induced nonlinear refractive index of the illuminated optics are studied.

在近轴条件下，利用矩阵光学的方法研究了高功率高斯光束通过不同光学元件时，克尔效应导致的介质折射率的变化对鬼像位置的影响。

In this case, geometrical design methods are inadequate, but current physical optics methods are too slow.

在这种情况下，几何光学的设计方法已经无能为力，但是，现阶段的基于物理光学的计算速度太慢。

In solving the problem of imaging through the random medium, this paper mainly applies the method of ray tracing, combined with the technology of wavefront calculations in the field of physical optics, so as to obtain a series of image evaluation results.

在处理随机介质中的光传输问题时，我们采用了光线光学的方法，结合物理光学中关于波面变形的计算，得到了一系列直观的像质评价指标。

Some important concepts of holography are elucidated from the phenomnon ofa single slit.

通过单缝衍射的现象阐明信息光学中的重要概念，既能避开复杂的好学推导，又能阐明现代光学的一些内容。

In this thesis, the research aims to combine the flexibleness of electrical equipment with the fast parallel optical computing, so that it can realize optical image encryption and recognition and high efficiency of information security protection.

本论文研究目的在于将传统电子设备的灵活性和光学的快速并行计算结合起来，实现光学图像加密和图像识别，实现高效的信息安全保护。

From point of view of Fourier theory, an optical system behaves as a low-pass filter which debars spatial frequency information about the object beyond the diffraction limit cut-off frequency.

按照傅立叶光学的观点光学系统是一个低通滤波器，其传递函数在由衍射极限分辨力所决定的截止频率以上值均为零，因此图像截止频率以上的能量和信息被丢失。

Both confocal techniques and nonlinear natures can achieve the optical sectioning property desirable for microscopy applications.

共焦的技术和非线性光学的效应都可以达到显微镜应用所需的光学切片特性。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。