• Based on the theoretical analysis, the bending loss curve of negative dispersion fiber was presented, being consistent with the experimental result.

    与实际制造出的负色散光纤的弯曲损耗进行了比较,结果表明理论计算得到的数据与实验数据较一致。

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  • Reverse dispersion fiber (RDF) with depressed-core index profile is fabricated successfully by using plasma-activated chemical vapor phase deposition.

    利用非等温等离子体化学气相沉积成功制得了具有折射率中心下陷的负色散光纤(rdf)。

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  • Modulation instability resulted from cross phase modulation(XPM) in decreasing dispersion fiber(DDF) is presented from nonlinear Schrodinger equation.

    从非线性薛定谔方程出发得到了色散缓变光纤(DDF)中交叉相位调制(XPM)不稳定增益谱。

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  • An optical pulse compressor using a normal dispersion fiber combined with a linearly chirped fiber grating (instead of a block grating pair) is proposed.

    本文提出了利用正常色散光纤加线性啁啾光纤光栅组成全光纤光脉冲压缩器方案。

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  • Modulation instability gain spectrum resulted from cross-phase modulation (XPM) in decreasing dispersion fiber (DDF) is presented from nonlinear Schrodinger equation.

    从非线性薛定谔方程出发得到了色散缓变光纤中交叉相位调制(XPM)不稳定性的增益谱。

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  • One of key factors to ensure the compression-sensibility stableness of CFRC is the dispersion of short carbon fiber (CF) in cement paste uniformly.

    在CFRC的制备过程中,碳纤维的均匀分散是决定碳纤维水泥石及混凝土压敏稳定性的关键问题之一。

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  • A new fiber grating dynamic dispersion compensator is developed by using the stain-tuning technology of the chirped fiber grating and the close-loop controlling scheme.

    利用啁啾光纤光栅的应变调谐技术,通过闭环自动控制色散补偿量的方案,研制出了一种新型的光纤光栅动态色散补偿仪。

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  • Dispersion is the primary affects of the optical fiber band width.

    色散问题是影响光纤带宽的主要因素。

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  • In some fiber interferometers and PMD (polarization Mode Dispersion) detection, measuring the state of polarization in optical fiber is very important.

    在光纤干涉仪和偏振模色散检测过程中,偏振态的检测是十分重要的。

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  • The effect of hole size on nonlinearity and dispersion of the photonic crystal fiber(PCF) is analyzed by the plane wave expansion method.

    采用平面波展开法,研究了气孔尺寸对光子晶体光纤色散特性和非线性的影响。

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  • Using this method, we can realize the low crosstalk multi-wavelength dispersion compensators based on fiber gratings.

    使用该方法可以得到具有低串扰的多波长光纤光栅色散补偿器。

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  • That dispersion is compensated with linearly chirped fiber grating is analyzed qualively and its characteristic and limitations are discussed.

    然后利用线性啁啾光纤光栅对色散的补偿原理、特性及其局限性作了定性分析。

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  • To obtain larger dispersion, chirped fiber gratings with longer length and smaller chirp coefficient are required.

    结果表明要获得较大的色散,要求光纤光栅有较长的长度和较小的啁啾。

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  • Utilizing phase modulator and dispersion compensation fiber (DCF) link, a non-return-zero (NRZ) data format is converted to return-zero (RZ) data format with tunable duty ratio.

    提出了利用相位调制器和色散补偿光纤(DCF)把非归零(NRZ)码信号转换成为占空比可调的归零(RZ)码信号的方案。

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  • A fiber Bragg grating dispersion measuring system based on Fourier transform spectroscopy is designed and implemented.

    建立了基于傅里叶变换光谱技术的光纤光栅色散测量系统。

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  • Chirped fiber grating can be used in compensating fiber dispersion and compressing pulse.

    啁啾光纤光栅可用于光纤色散补偿及脉冲压缩。

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  • In the third chapter, the reason of pulse broadened and the importance of dispersion compensation are pointed out, and the dispersion of linearly chirped fiber grating is appraised.

    第三章指出了引起脉冲展宽的原因以及色散补偿的重要性,并对线性啁啾光纤光栅的色散进行了估算。

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  • First, the relation between the dispersion of the fiber and the propagation constant and equivalent refractive index is presented.

    文章先给出了光纤色散与光纤传播常数及等效折射率的关系。

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  • A simple and explicit analytical model for Stimulated Raman Scattering (SRS) effects in fiber dispersion walk-off regime is presented.

    文章提出了一种考虑光纤色散的受激拉曼散射(SRS)效应的分析模型,它计算简便,且物理意义明确。

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  • Propagation of spectra affected by third-order dispersion in dispersion-decreasing fiber near zero dispersion wavelengths was studied by means of numerical simulation.

    为探讨三阶色散对脉冲传播的意义,用数值模拟的方法讨论了在色散缓变光纤中零色散波长附近三阶色散对脉冲频谱演变的影响。

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  • The dispersion of linearly chirped fiber gratings with different coupling profiles is studied theoretically and numerically using coupling mode equations.

    利用耦合模方程,对具有不同耦合系数的线性啁啾光纤光栅的色散特性进行了理论和数值分析。

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  • Pulse broadening due to fiber dispersion is analyzed. The principle of dispersion compensation using chirped fiber Bragg gratings is introduced.

    分析了由于光纤的色散引起的脉冲展宽,并介绍了啁啾布拉格光纤光栅进行色散补偿的基本原理。

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  • In this paper, it was studied on the dispersion characteristics of chalcogenide fiber in detail.

    本文对目前红外光纤研究的热点-硫系光纤独特的色散特性进行理论分析。

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  • The system performance with different duty cycle, position of dispersion compensation fiber and amplifier span is investigated by employing this model.

    采用该模型数值研究了不同占空比和不同色散补偿方式对传输系统性能的影响。

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  • Factors affecting the fiber dispersion and uniformity of chopped strand mat, such as glass strand quality, equipment, environment and personal factors, are introduced and analyzed.

    介绍了影响短切毡分散性与均匀性的各种因素,如原丝质量因素、设备因素、环境因素、人为因素,并解析了各因素。

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  • The model for the refractive index profile distribution of dispersion compensating fiber(DCF)is proposed in this paper.

    提出了色散补偿光纤折射率剖面分布的通用模型。

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  • From our analysis, we know that PSA can compensate fiber dispersion, either positive dispersion or negative dispersion.

    通过分析可知,PS A对光纤的正色散和负色散都有一定的补偿效果。

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  • Higherorder soliton can be compressed by NOLM Nonlinear optical fiber loop made of DDF Dispersion Decreasing fiber.

    基于色散渐减光纤的非线性光纤环境(DDF -NOLM)能够有效压缩高阶孤子脉冲。

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  • Polarization mode dispersion (PMD) in fiber Bragg gratings (FBG) is investigated with the emphasis on the PMD of chirped FBG dispersion compensators.

    对光纤光栅的偏振模色散特性进行了深入的研究,特别是啁啾光纤光栅色散补偿器的偏振模色散。

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  • The evaluation of fiber dispersion can be made either by determining the paper or fiber products directly, or by observing and comparing the phenomena in the fiber_medium system.

    评价纤维的分散性可以直接检测分析产品,也可以直接观察和比较纤维介质分散体系中的现象。

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