负透镜

激光与负透镜在小孔孔径测量中的应用

The Application of Laser and Minus Lens to Measure Small-hole Diameter

激光棒的负透镜效应及其腔型补偿法

The lens effect of laser rods and its cavity compensation method

负透镜在激光衍射测量中的应用

Application of Minus Lens in the Measurement of Laser Diffraction

负透镜诱导豚鼠离焦性近视眼巩膜胶原密度及形态学改变

Collagen density and morphologic change of sclera in guinea pigs with negative lens-defocused myopia

在光路中加入合适的负透镜可以对特定工作条件下激光棒的热透镜进行较好的补偿；

Minus lenses can make good compensation for the thermally induced lens of the laser rod .

强激光场在液晶中引起的负透镜效应及其弛豫行为

A negative lens effect induced by strong laser field in liquid crystals and its relaxation behaviours

钕玻璃激光器热容方式运行的热负透镜效应实验研究

Experimental Study of the Thermal Lens Effect of Nd ∶ glass Laser in Heat Capacity Operation

提出几种计算和测量激光棒负透镜等效焦距的方法。

The authors have reported two methods for measuring the efficient focal distance of the laser rod lenses .

本文介绍了液相液晶中强激光场引起的负透镜效应。

A negative lens effect induced by strong laser field in liquid phase of . liquid crystals is described .

提出了一种测定正、负透镜折射率的简单方法。

In this paper , a simple method for measure the refractive index of the thin lenses is presented .

论文对系统中关键光学元件的设计，包括双折射透镜和负透镜的设计，进行了详细研究。

The design methods of key optical components in the above systems , such as birefringent lens and negative lens , are also presented .

本文从理论上分析了因孔洞而产生的正透镜或负透镜效应并给出了归一化透过率的表达式。

We analyze the positive and negative lens effect caused by the hole theoretically and give the expression of normalized transmittance in this condition .

在测量中，根据莫尔条纹的斜角确定正、负透镜的焦距。

In the measurements , the focal lengths of positive and negative lens are determined by the tilt angle , of the Moire fringe .

我们用一块负透镜，它将使光线发散一些。源嵌入负折射率传输线介质板的透镜成像研究

We introduce a negative lens which will diverge the rays a bit . Imaging of a negative-refractive-index transmission-line slab lens excited by an embedded source

本文讨论了类负透镜介质一般曲面镜光学谐振腔，并用来分析气体激光器中的热透镜效应。

The optical cavities of general curved-mirrors with a negative lenslike medium are discussed , and used to analyze the thermal lensing effects in gas lasers .

通过对比分析光斑变化趋势，热容方式运行的钕玻璃激光器的热透镜效应是负透镜效应，明显有别于常规方式运行的正透镜效应。

The contrastive facular pictures show that the thermal lens effect of heat capacity operation is negative lens effect not same as convex effect of general water-cooling operation .

介绍用激光、负透镜和数显卡尺测量微小孔径的测量原理、测量方法，并用激光和万能工具显微镜对小孔孔径进行了对比测量。

This paper introduces the measurement principle and method of small-hole diameter by laser , minus lens , and digital caliber rule , besides it has carried out the contrastive measurement by laser and universal tool microscope .

在实验部分，本文给出了热气体透镜焦距与输入功率、缓冲气体压强的关系，描绘了热气体透镜从负透镜变化到正透镜的动态过程。

As results of the experiment , the relations between the focal length of the thermal gas lens and the input power and buffer gas pressure are presented . The evolution process of the thermal gas lens from concave to convex lens is described .

同时劲科科技可以根据客户要求制作多焦点和负焦距透镜，也可根据客户需求进行加工、镀膜各类透镜，下面是我们对各类透镜的生产要求。

Meanwhile , Jinke Technology can produce multi-focus and negative focus lens and can provide processing and coating on various lens according to the customers'requirements .

二维空气孔型光子晶体负折射平板透镜的减反层

Antireflection coating for two-dimensional air hole-type photonic crystal negative refraction slab lens

二维光子晶体的空气孔形状对负折射平板透镜成像分辨率的影响

Dependence of Image Resolution on the Air Hole Shape for 2D Photonic Crystal Slab Lens

利用这类特殊介质材料，我们可以设计出相比于传统透镜来说具有特殊的成像性能或更小像差的负折射率透镜及其成像系统。

Based on the use of such materials , we can design new lenses and imaging systems with lower aberrations as compared to their traditional counterparts .

提出并优化了由单排渐变介质波导构成的二维空气孔型光子晶体负折射平板透镜表面的减反层，改善了成像质量。

We propose and optimize the antireflection coating composed of a row of tapered dielectric waveguides for two-dimensional air hole-type photonic crystal negative refraction slab lens .

研究表明，使用负球差聚焦透镜可获得比无球差透镜在实际焦面上可聚焦性更好、能量更集中的光束。

It is shown that the better beam focussability at the real focal plane can be achieved for the focusing with negative spherical aberration than that without spherical aberration .

对仅含有平折射面的负折射率平板透镜系统的基本成像特性和初高像差特性进行了系统研究。

The imaging and aberration properties of NIM flat lens systems are systematically studied .

负折射率平板透镜相对传统曲面透镜在光束聚焦和相位补偿方面展现了很大的优越性，为光束的传输与控制提供了新途径。

The NIM slab is better than the traditional surface lens in the respects of beam focusing and phase compensation , it provides new technique for the beam propagation and control .