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- White-light interference of Michelson interferometer to measure group refractive index is improved, where grating displacement sensor is used to increase the displacement precision of scanning mirror. 对测量群折射率的迈克耳孙白光干涉技术进行了改进;采用光栅线位移传感器提高反射扫描镜的位移精度.
- group refraction index 群折射率
- Key words: Left - handed medium （LHM） ; Negative refraction index （NRI） ; Group refraction ; Negative group velocity（NGV） ; Negative energy; Effective permittivity; Effective permeability 作者简介:黄志洵（1936-），男（汉族），北京市人，中国传媒大学教授、博士生导师。
- The synthesized compounds ot polymers were added into commerical epoxy resins to form UV adhesives with turnable refraction index. 本技术目前开发者为UV硬化系统，已实际应用于光通讯元件之前段接合评估。
- group refractive index 群折射指数
- Based on Fermat's principle, the equation satisfied by light path in gradient refraction index medium is derived. 摘要文章以费马原理为基础，推导了一维渐变折射率介质中光线方程满足的微分方程；
- The relationships between curvature of light path and refraction index distribution of medium are discussed. 讨论了光线弯曲情况与介质折射率变化之间的关系；
- The reaction kinetics of prepolymerization of diallyl isophthalate (DAIP) was studied through the gelation time and the refraction index respectively. 本文利用折光率控制预聚反应凝胶点,制取DAIP(间苯二甲酸二烯丙酯)预聚液,并根据凝胶时间、折光率研究DAIP单体预聚反应动力学。
- The small-sized interferometer is of high sensitivity, and can be used to measure the refraction index for transparent gas and liquid. 该干涉仪小巧，且灵敏度高，可用于透明气体和液体的折射率测量。
- It also discusses glass prism coming being no influence of refraction index and measuring range, and proves feasible for the measuring. 实验中，玻璃容器对测液体折射率不产生影响，并进行了理论上证明。
- The light-transmitting property of MCS resin depended on the refraction index and fight-Transmitting of the continuous phase of CPE and MMA/S copolymer. MCS树脂的透明性与CPE及MMA/S共聚物的折光指数,连续相的透明性有关。
- The variations of the effective refraction index, film thinknessand UV-visible light absorption spectrum of DR1/PMMA polymer waveguides exposured under UV are discussed in detail. 详细讨论了DR1/PMMA聚合物波导在紫外光照射下，各个模式的有效折射率，薄膜厚度，以及紫外可见吸收谱的变化情况。
- On the basic of analysising the optical characteristic of axisymmetrical field, this paper shows a new way to calculate the distribution of refraction index axisymmetrcal field. 分析了轴对称场的光学特性，在此基础上，给出一种计算轴对称场中折射率分布的新的再现方法.
- The energy absorbed by the medium of the propagation path causes heating, leading to refraction index change that causes self-defocusing, which induces thermal blooming. 热晕使激光发生畸变，限制了激光能量在大气中的有效传输。
- Optical glass of low dispersion and low refractive index. 低色散、低折射率光学玻璃。
- The refractive index also increases with the RTA temperature. 薄膜的折射率随退火温度的升高而增加。
- The function n(x, y)is known as the refractive index profile. 函数n（x，y）称为折射率分布。
- High-performance liquid chromatographic-differential refractive index detective(HPLC-dRI)method was established to determine group A soyasaponins. 建立了A类大豆皂甙的高效液相色谱-差示折射(HPLC-dRI)检测方法。
- The basic principle of quasi-phase-matching (QPM) of DFG is depicted, the temperature tuning characteristics of periodically poled LiNbO3(PPLN) are studied based on the Sellmeier equation for the extraordinary refraction index. 研究了基于准相位匹配技术的差频产生基本原理和PPLN晶体的温度调谐特性;
- The refractive index n(X) varies gradually over the cross-section of the guide. 折射率n（x）在波导截面内是逐渐变化的。
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