光学透镜

In terms of the refraction angle measured at the metal/air interface, we quantitatively obtained the relationship between the value of pseudo refractive index and incidence angle.

改进的途径是设法寻找到负折射率材料，与正折射率材料匹配在一起，预期可形成完美光学透镜。

The transparent colorless fluorite can be used to produce special optical lens.

透明无色的萤石可以用来制作特殊的光学透镜。

It has great potentialities in such fields as micro-optics, integrated optics and optics communication.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分析；选择两种适当单体，采用悬浮扩散共聚法制备出聚合物梯度折射率微球透镜；测量所得透镜的折射率分布曲线和其他光学参数。

Spherical optical lens is hard to form ideal photos in practical use.

球面光学透镜在实际应用中难以形成理想的像。

In this paper, the optical design of the LED streetlight and the calculation methodology of a freeform optics for the streetlight was put forward.

介绍了LED路灯的光学设计，及一种用于LED路灯的自由曲面二次光学透镜的设计方法。

Results:As the quality of focimeter is directly related to the vision health of consumers, International Organization of Metrology Legal and Chinese government have listed focimeter as compulsive metrological instrument under test.

结果和结论：眼镜片或角膜接触镜的顶焦度与光学透镜的光焦度是两个不同的定义；手动调焦式焦度计的测量误差是固有的、客观存在的，与顶焦度和光焦度的定义差异无关。

Fittings series lasers have: a dedicated optical laser lens (spherical and non-spherical), laser diode driver circuit boards and with TTL modulation drive plate, laser-specific power supply (with a soft-start and reverse polarity protection).

激光器配件系列有：激光专用光学透镜、激光二极管驱动电路板及带TTL调制驱动板、激光器专用电源（具有软启动及极性反接保护）。

High resolution sensors capable of 6 to 12 megapixels and precision lens optics are standard, many with high-powered zooms.

高分辨率感应能力6至12megapixels光学透镜和精密水准，同许多大马力借助。

Third, the physical indicators: transparent liquid or slightly yellow liquid, density (g/cm3): 1.0 ± 0.02, PH = 9.0 ± 0.02 d, the scope of application: optical glass, diamond, mobile glass, liquid crystal display, liquid crystal glass, optical lenses , optical lenses, glass instrument, P3 wash Lilongwe, silicon and so on.

三、物理指标：透明液体或微黄色液体，密度（g/cm3）：1.0±0.02，PH=9.0±0.02 四、适用范围：光学玻璃、水钻、手机玻璃、液晶显示屏、液晶玻璃、光学镜片、光学透镜、仪表玻璃、P3洗利隆、硅片等。

This paper has deduced the ion trajectory in an accelerating tube by integrating the one in a unit electrostatic lens.

离子在其中的运动轨迹与光学透镜系统中的光路相似，对此已早有研究，但对加速管聚焦特点的讨论还不够明确［1～3］，对离子轨迹的计算极为鲜见［4］。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。