refractive index

noun

1. 折射率
   a measurement of how much an object or a substance refracts light

1. A planar film of refractive index nf is sandwiched between a substrate and a cover material.
   折射率为nf的平面薄膜夹在折射率较低的衬底和覆盖层之间。
2. Effect of the Structure and Component on Refractive Index of TiO_2 Film
   TiO2薄膜成分和结构分析及其对折射率的影响
3. The refractive index is approximately equal to the ratio of the real depth over the apparent depth.
   折射率大约等于实际深度与视深度的比值。
4. At the same time, the refractive index and density increase while the segmental orientation of macromolecule decreases.
   折光指数和密度随之增加；而分子链段取向却随之降低。
5. Optical glass of high dispersion and high refractive index.
   高色散、高折射率的光学玻璃。
6. Optical glass of low dispersion and low refractive index.
   低色散、低折射率的光学玻璃。
7. Leading into the complex refractive index and making use of the characteristic matrix method, the photonic bandgap of photonic crystal with the variety of the absorb is studied.
   引入复折射率并利用特征矩阵法，研究了光子晶体的吸收对光子晶体能带的影响。
8. Based on the corneal data, the effects of equivalent refractive index and error in radius of curvature on the corneal vergence measurement after refractive surgery are studied theoretically.
   在角膜数据的基础上，从理论上分析了等效折射率和曲率半径测量误差对屈光手术后角膜光焦度测量的影响。
9. Refractive Index and Density of Binary Glasses Based on the Optical Electronegativity
   基于光学电负性二元玻璃折射率和密度的研究
10. Based on the grating diffraction theory, the duty cycle and refractive index change of the periodically poled microstructure ( PPMS) crystal are studied theoretically by light diffraction efficiency.
    以光栅衍射理论为基础，从理论上分析研究了微结构晶体衍射效率与占空比和折射率的关系。
11. It uses fibre-optic sensing technology based on refractive index modulation and has some advantages over conventional capacity method.
    它采用基于折射率调制的光纤传感技术，可避免传统电容法的不足。
12. Alcoholysis reaction time was determined by variation of refractive index.
    提出以折光指数的变化来确定醇解的反应时间；
13. According to the relation between group modal refractive index difference and normalized frequency, the optical fiber's parameter is researched.
    根据群模态折射率差与归一化频率的关系，对光纤的参数进行了研究。
14. The numerical calculating method of refractive index profile in optical waveguides is discussed.
    介绍了光波导折射率分布的数值计算法。
15. The urinary concentrations of lactulose and mannitol were determined by a refractive index detector.
    上用示差检测器测定尿液中乳果糖和甘露醇的浓度。
16. To obtain refractive index of-1 decreasing the incident light frequency and enlarging the waveguide width are both necessary.
    要得到折射率为-1的情况，则入射光归一化频率越小，光子晶体的波导宽度要相应越大。
17. The influence of the compositions and concentrations of rare earth dopant on refractive index was discussed.
    测量了玻璃样品不同波长光源照射时的折射率，讨论了稀土掺杂成分和浓度对折射率的影响。
18. The refractive index equations were derived, all parameters of equation were calculated, and the compensation for distortion was analysed.
    求出了折射率方程，并计算了方程中的诸系数，对畸变的补偿问题作了分析。
19. The method of measuring liquid refractive index with Michelson interferometer has been introduced.
    本文介绍了用迈克逊干涉仪测量液体折射率的方法，原理简单。
20. Influence of the Refractive Index of Prism on the Optical Acceleration
    棱镜折射率对光学加速作用的影响分析
21. For measuring the refractive index of a substance.
    测量物质折射率的仪器。
22. The density, refractive index and molar refraction of glasses, and their relationship with composition had been measured.
    测量了玻璃样品的密度，折射率和摩尔折射度，并分析了它们和玻璃组分的关系。
23. The novel characteristics of guided modes in the chiral negative refractive index fiber are investigated theoretically in this letter.
    对手征负折射率光纤中导模的新颖特性进行了理论研究。
24. It is found that the divergence angular shift increases with decrease of the refractive index and loss.
    研究发现，光束角移随着折射率及损耗的减小而增大；
25. Optical interference takes place in a thin transparent wedge of refractive index m.
    光的干涉发生在折射率为m的薄的透明的楔形物里。
26. The effects of the thickness of metallic film and grating period on the refractive index sensitivity of the device are analyzed in detail.
    分析了金属膜的厚度和光栅周期对器件的折射率灵敏度的影响。
27. By transverse exposure, periodical modulation of refractive index is formed along the axis of optical fiber.
    制备原理是对光纤横向曝光，使光纤的折射率指数在轴向发生周期性变化。
28. Colourless optical glass test methods& Refractive index and coefficient of dispersion
    GB/T7962.1-1987无色光学玻璃测试方法折射率和色散系数测试方法
29. Results validated that larger size and larger refractive index of particles resulted in larger gradient and scattering force.
    结果表明光学散射力和梯度力随着小球半径和折射率的增大而增大。

noun

1. the ratio of the velocity of light in a vacuum to that in a medium

   Synonym:    index of refraction