模场直径

单模光纤模场直径有多种定义和测量的方法。

MFD of single mode fiber has several definitions and measurements .

单膜光纤模场直径的简易测量

A SimPle Method for Measuring MFD in Single Mode Fibre

连续变孔径法单模光纤模场直径（MFD）测量的数据处理

Data Processing Method for MFD Measurement by Means of Continuous Variable Aperture Far Field

单模光纤模场直径（MFD）双刀口法快速测量系统的研究

A Fast Double-knife Edge Method for Measuring the MFD of Single Mode Optical Fibers SOLID MODELING BASED ON BI-TRACES

并在实验测试的基础上，验证了ITU-T文件中有关光纤有效面积与模场直径间的关系。

Based on the results , we have proved the relationship between fibers ' effective area and mode field diameter , that is supplied by the ITU T Recommendation .

远场扫描和可变孔径定义模场直径与Petermann定义一致

Conformability of Defining Mode-Field Diameter by Far-Field Scan and Variable Aperture with Petermann Definition

文中还验证了单模光纤的模场直径、截止波长、相对折射率差对OTDR曲线的影响。

In this article , the influences of the mode field diameter , the cutoff wavelength and the relative refractive index difference on the OTDR curve are also verified .

本文从理论上推证运场扫描、可变孔径法定义的模场直径与Petermann定义的模场直径一致。

In this paper , conformability of defining mode-field diameter by far-field scan and variable aperture with Petermann 's definition is derived from theorem .

分析了连续变孔径法单模光纤模场直径（MFD）测量的数据处理方法、误差源及其对测量结果的影响。

A data processing method for mode field diameter ( MFD ) measurement by means of continuous variable aperture far field ( CVAFF ) is introduced . The error sources and their influences to the measurement results are also discussed .

论述了用横向错移法测量单模光纤模场直径的测量原理、测量装置和测量结果，该方法是国际电信电报咨询委员会（CCITT）所推荐的单模光纤模场直径测量方法之一。

The principles and devices of the offset joint method for the measurement of mode field diameter of single mode fibers , which is one of the recommendations by CCITT , are described , and the experimental results are presented .

本文从OTDR测试原理出发，分析了OTDR测试光纤熔接损耗时背向散射差异的影响，通过实验分析了模场直径与背向散射差异的关系。

Based on the principle of OTDR test , this paper analyzes the influence of back-scatter difference on fibre splicing loss test by OTDR . The relationship between mode-filed diameter ( MFD ) and back-scatter ( coefficient ) difference has been studied by means of experiment .

新型单模光纤模场直径测试系统

A New Kind of Mode Field Diameter Measuring System for Single-mode Fiber

模场直径对单模光纤接续损耗的影响

Splice Loss Between Single-mode Fibers With Different Mode Field Diameter

单模光纤模场直径标准测量装置的研究

Research on the Standard Measuring Equipment for Mode-field Diameter in Single-mode Fibers

模场直径检测中A类不确定度分量的实验评定

Experimental Evaluation for Type A Component of Uncertainty in Measurement with Mode Field Diameter

横向偏移法测量单模光纤模场直径的主要条件

The Predominant Conditions in Measuring MFD of Single Mode Fibers with Transverse Offset Method

说明这两种端面修饰法确实能起到扩大模场直径同时又不破坏模式分布的作用。

The conclusion is that the modified fiber has expanded mode-field diameter and Gaussian distribution .

用于单模光纤模场直径测量的横向错移法的研究

Research on Offset Joint Method for the Measurement of Mode field Diameter of Single mode Fibers

单模光纤模场直径的测量

Modulus-field-diameter measurement of single modulus photo-fiber

任意芯双包层单模光纤模场直径的理论与实验研究

Theoretic and Experimental Study of Mode Field Diameter of Single Mode Fibers with Random-cote and Double-cladding

给出了数值计算截止波长和模场直径的方法；

The numerical calculation methods of the cutoff wavelength and mode field diameter are described in detail .

将光纤编入编织复合材料中，对光纤的截止波长、数值孔径、模场直径和串音进行了检测。

Cut-off wavelength , mode field diameter , numerical aperture and cross talk are chosen as test parameters of optical fibers .

研究空气孔对掺铒孔辅助导光光纤的截止波长、模场直径和放大器的增益系数的影响。

The effects of the air holes on EDHALFs'cutoff wavelengths , mode field diameters and the gain coefficients of fiber amplifiers are studied .

得到了一条适当的设计途径，使这种光纤的截止波长、色散、模场直径等均达到令人满意的值。

In this way , the satisfied values of the cutoff wavelength , the dispersion and the field radius of the fiber can be obtained .

本文根据标量波动方程，导出了色散公式及波导色散和模场直径间的关系。

In this paper , the relation between the dipersion formula , the waveguide dipersion and the mode field diameter is derived , based on the scale wave equation .

通过对不同应用的光纤波导结构的制造、性能测试和分析，指出了波导结构设计与光纤衰减、模场直径、弯曲损耗和波导色散等的关系。

Based on manufacture , performance test and analysis of different optical fiber waveguides , the relationships between waveguide and loss , MFD , bend loss , waveguide dispersion are deduced respectively .

根据所得的理论结果，文中提出了用轴向移动孔径法测量单模光纤模场直径新方法，并且进行了实际测量，其结果令人满意。

Based on the obtained theoretical result , a new single mode fiber mode field diameter measuring technique by axially moving the aperture is suggested . Practical measurement shows that the result is quite satisfactory .

介绍一种对匹配型单模光纤的传输参数（色散、模场直径、截止波长、非线性截面积等）进行综合测量的方法。

A method is presented to measure the transmission parameters ( dispersion , MFD , cut off wavelength , non linear effective area and so on ) of the match cladding single mode optical fiber synthetically .

介绍了具有任意折射率分布的光纤传输特性参量的计算方法，利用这种方法计算并分析了三种不同折射率分布的光纤的归一化传播常量、色散和模场直径等传输特性参量。

A method to calculate the propagation parameters of optical fibers with arbitrary index profile is introduced . The propagation parameters of three different optical fibers , for example the normalized propagation constant , the chromatic dispersion and the mode field diameter , is calculated and analyzed .

模场测量是模场直径测量的第一步，因此光纤模场的测量就显得十分必要。

The measurement of mode field is very necessary , since it is the first step of the measurement of the diameter of mode field .