1) Fermi refractive-index distribution
费米折射率分布
1.
Fermi refractive-index distribution gradient waveguides are fabricated on the optical glass B270 using ion exchange process in the composite salt of 0.
996NaNO3混合熔融盐,用离子交换技术在德国B270光学玻璃上制备了费米折射率分布渐变波导,理论分析了费米折射率分布渐变波导的包层吸收模谱特性,导波损耗测试实验验证了解析结果。
2) Refractive index distribution
折射率分布
1.
New Method of Preparation of Graded Index Polymer Optical Fiber Preform and Adjustment of Its Refractive Index Distribution;
一种制备梯度型聚合物光纤预制棒的新方法及其折射率分布的调控
2.
Refractive index distribution of gradient index polymer optical fiber(GI POF) was simulated by Lorenz function and model of refractive index distribution was found firstly, which included three basic parameters: initial concentration, molecule bulk of dopant monomer and polymerization temperature.
利用洛仑兹函数对梯度型聚合物光纤 (棒 )中折射率分布曲线进行模拟 ,建立折射率分布的洛仑兹函数模型 。
3.
In this paper,the relationship between the strain and stress in PCF is deduced by elasto-optical theory and the quantitative fluctuations of its refractive index distribution under pressure obtained.
文章根据弹光理论推导了PCF应变与应力的关系,得到压力作用下PCF折射率分布波动的定量关系,提出一种微弯压力PCF传感器的设计方案,并从理论上分析了压力存在条件下光脉冲在PCF中传播时的相位波动及这种传感器的检测原理。
3) refractive index profile
折射率分布
1.
Measurement of refractive index profile of optical fiber by a transmitted-light DIC microscope;
透射式微分干涉显微镜测量光纤折射率分布
2.
Fabrication and characterization of the refractive index profiles of copper ion-exchanged waveguides;
Cu离子交换波导的制备和折射率分布的表征
3.
Theoretical Analysis and Algorithm Study on Optical Fiber Refractive Index Profile Measurement by Transmitted-light DIC Microscope;
透射式微分干涉法测量光纤折射率分布的理论与方法研究
4) refractive-index distribution
折射率分布
1.
A Simple Method to Measure the Refractive-index distribution of Selfoc Lens;
一种测算自聚焦透镜折射率分布的简单方法
2.
Comparison of the optical properties of the GRIN lenses made before and after the second ion-exchanging showed that the GRIN lenses after the second ion-exchanging had greater refractivity,that their refractive-index distribution was obviously be.
结果表明:二次离子交换使GRIN透镜得到了更大的折射率差值;样品的折射率分布明显优于一次离子交换所得样品,而更接近理想折射率分布;聚焦常数、数值孔径等光学参数也在一定程度上得到了优化;球差和畸变均明显小于一次离子交换所得样品,成像质量进一步提高。
5) refractive-index profile
折射率分布
1.
Based on the mode field theory of passive fiber and rate equation of active fiber,the calculative method of effective mode area and extraction efficiency of fundamental mode for large mode area fibers with arbitrary refractive-index profile and dopant distribution of is presented.
从无源光纤的模场理论和有源光纤的速率方程理论出发,给出了任意折射率分布和掺杂分布光纤的有效模面积和基模提取效率的计算方法,并且通过数值计算对几种典型折射率分布和掺杂分布的光纤性能进行了分析和比较,说明复合折射率光纤与其他传统光纤相比,在百微米量级的大模面积光纤中更具有实用性。
2.
Also,the refractive-index profiles were obtained using inverse analytical transfer matrix method from the measured effective-index.
用热扩散法制备了Ag+ -Na+ 离子交换光波导 ,对实验所得光波导测量了有效折射率 ,用逆分析转移矩阵方法得到了它们的折射率分布 。
6) Index profile
折射率分布
1.
On the ba s of the difference of measured index profile result about optical fiber preform and its drawing optical fiber, the paper analyzes the difference caused by different drawing condition.
针对光纤预制棒及其拉制的光纤折射率分布测量结果的差异，分析了造成这种差异的原因是拉丝条件的不同，于是提出在拉制光纤时必须严格控制工艺，确保光纤性能一致性。
2.
The transversal index profile of the waveguide array is measured in real time using a Mach_Zehnder interferometer,and the maximum index change in the waveguide region is close to 10 -.
采用马赫_曾德干涉仪光路实时测量了所写入阵列平面光波导的横向折射率分布 ,其峰值接近 1 0 - 4。
3.
The simulation and reconstruction of the index profile were implemented by analyzing the diffusion process with the experiment data.
本文主要讨论Cu离子交换玻璃平面光波导的制备和表征,重点研究了Cu离子交换过程,并结合实验测量数据对所制备玻璃平面波导的折射率分布进行数值模拟和重建。
补充资料：费米-狄拉克分布
| 费米-狄拉克分布 Fermi-Dirac distribution 全同和独立的费米子系统中粒子的最概然分布。简称费米分布，量子统计中费米子所遵循的统计规律。由E.费米和P.A.M.狄拉克在1926年先后提出，故名。 费米子是 自旋为半整数( 即自旋为  ／2， ＝h／2π，h是普朗克常量）的粒子，如轻子和重子，全同费米子系统中粒子不可分辨，费米子遵从泡利不相容原理，每一量子态容纳的粒子数不能超过一个。对于粒子数、体积和总能量确定的费米子系统，当温度为T时 ，处在能量为 的量子态上的平均粒子数为
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