有利的是，该结构进一步包括梯度折射系数层。
Advantageously, the structure further comprises a gradient refractive index layer.
在负的磁导率和负的介电常数重叠的频率区域，能得到一个负的折射系数。
Within the coupled resonant frequency region, the negative index of refraction can be achieved.
核心的石英折射系数高，环绕在外的外层石英与孔洞交错，所以折射系数较低。
The core has a high index of refraction, whereas the surrounding cladding, with its air holes interspersed with silica, has a lower index.
与常规材料相反，它具有同时为负的介电常数和磁导率，进而具有负的折射系数。
Compared with regular material, it has some unusual parameters value, simultaneously negative permeability and permittivity.
分析也表明，聚焦几何排布可用于非线性折射系数的测量，并具有比常规Z扫描方法更高的灵敏度。
It is also shown that focused geometry arrangements can be employed for measurements of nonlinear refractive index with a higher sensitivity than that of common Z scan techniques.
当波长趋于零时，折射系数都趋于1，这是由于脉冲激光的频率增高，等离子体中产生了非常强的“透镜”效应所至。
When the wavelength tends to zero, the refraction coefficient will tends to 1. Because with the frequency of pulse laser is going up, the very strong "Lens" effect will be produced in plasma.
菲涅耳反射是指由于入射光在两种介质中的折射系数不同，导致折射系数在两种介质的界面处不连续，从而引起的入射光的反射。
The Fresnel reflection of incident light comes from the refractive index discontinuity at the interface of two media, which severely limits the performance of optical and optoelectronic devices.
耦合系数包括偏振耦合项和双折射耦合项。并用马卡提里近似下的模式作为零级近似。
The polarization coupling term and birefringence coupling term are included in the coupling coefficient expression.
最后，对全息透镜和折射透镜的色散特性进行了比较，得到衍射光学元件的等效色散系数。
Finally, the chromatic dispersive characteristics of holographic lens and refractive lens are compared, and the effective chromatic coefficient of holographic lens is given.
电光系数随温度变化及应力双折射引入的最大退偏损耗分别为2.38%和4.04%。
The largest depolarized loss induced by variation of electro-optic coefficient and stress birefringence is correspondingly 2.38%, 4.04%.
获取了薄膜的折射率和消光系数随波长的变化曲线以及薄膜的厚度。
The curves of refraction index and extinction coefficient with different wavelength and the thickness of films were obtained from transmission spectrum.
测量发现，随碳黑含量的增加，复合体系的吸收系数逐渐增大，并伴随折射率的相应增加。
It is found that the absorption coefficient and the refractive index of the composite increased with increase of carbon black content.
耦合系数包括偏振耦合项和双折射耦合项。
The polarization coupling term and birefringence coupling term are included in the coupling coefficient expression.
物料加热表面受到对流冷却，并讨论了物料的吸收系数，折射率，导热系数，换热系数，物料表面辐射特性对温度场的影响。
The effects of absorption coefficient, refractive index, heat conductivity, convective heat-transfer coefficient and radiative properties of the surf ace on the temperature field are discussed too.
本文给出了光学玻璃折射率压力系数的测量方法。
In this paper the measurement method for the pressure coefficient of optical glass refraction index is offered.
折射率、色散和吸收系数是用于超高速全光开关的光学材料的重要品质指数。
Refractive index, chromatic dispersion and absorption coefficient are material figures of merit for ultrafast all optical switch.
研究发现包层膜有效折射率、直流耦合系数及奇数阶次的交流耦合系数都随着波长的增加而减小。
It is revealed that the effective refractive index and the DC coupling coefficient, as well as the ac coupling coefficient of odd order modes, will be decreased with the increase in wavelengths.
通过计算发现，随着中间电极角度和地电极角度增加，有效折射率、特征阻抗同时减小，导体损耗系数也随之减小。
The calculation results have shown that when the angles of the center electrode and the grounds decrease, the effective index, the characteristic impedance, and the conductor loss all decrease.
用光学透射测量方法得到了该薄膜材料的基本光学常数（带隙、线性折射率、线性吸收系数）。
The band gap, linear refractive indices and absorption coefficients fundamental optical constants of the film were obtained through optical transmittance measurements.
通过测量石英晶体在不同的外力下折射率的变化情况，确定了晶体的弹光系数。
The change of quartz crystal refractive index is measured under the different outside force, and the elasto-optical coefficient is determined.
电光聚合物的折射率和极化后的电光系数是聚合物波导的重要参数。
EO polymer parameters such as refractive index and polarized coefficient are the essential for appliance of EO polymer apparatus.
介绍了Z-扫描技术的基本原理，以及Z -扫描技术在测量非线性光学介质的非线性折射率、非线性吸收系数等方面的应用。
The mechanism of Z - scan technique is introduced. It 's application to measuring nonlinear refractive index and nonlinear absorption coefficient for nonlinear optical medium is made.
利用通过一维光子晶体复透射系数可定义光子晶体的等效折射率。
The effective refractive index can be defined by using the complex transmission coefficient.
文中考虑了材料的相对导磁系数对材料复数折射率的贡献，使分层介质系统的光学迭代法更具普遍性；
The optical recursive formula for stratified medium system becomes more general with the contribution of relative magnetic permeability to the complex refractive index.
结果表明：随阳极电压的升高，AAO薄膜的折射率和厚度增大，消光系数减小。
The results show that the optical constants of the AAO films strongly depended on anodizing voltage.
消光系数对谐振峰偏移影响很小，对谐振峰幅度的影响与具体的薄膜折射率有关。
The extinction coefficient has a small effect on the shift of the resonant peak, and its effect on the magnitude of resonant peak is dependent on the film refractive index.
通过数值拟合获得了磷化镓在飞秒激光脉冲作用下的非线性折射率和双光子吸收系数。
Nonlinear refractivity and two-photon absorption of GaP are obtained by numerical fitting the experimental results.
在相同温度不同基底下，熔石英基片薄膜的折射率、损伤阈值高于K 9玻璃基片薄膜，而熔石英基片薄膜的消光系数比K9玻璃基片薄膜的小得多。
In the same temperature and different substrate, the solid silica substrate films 'refractive index and laser induce damage threshold were higher than the K9 substrate films'.
数值模拟显示：电光系数随温度变化和应力双折射是引起开关退偏损耗的主要因素。
The simulated results indicate: variation of electro-optic coefficient as well as stress birefringence is the main factor, which induces depolarized loss of the switch.
数值模拟显示：电光系数随温度变化和应力双折射是引起开关退偏损耗的主要因素。
The simulated results indicate: variation of electro-optic coefficient as well as stress birefringence is the main factor, which induces depolarized loss of the switch.
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