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。
A fiber Bragg grating dispersion measuring system based on Fourier transform spectroscopy is designed and implemented.
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。
Using this method, we can realize the low crosstalk multi-wavelength dispersion compensators based on fiber gratings.
模拟结果表明,焦斑尺寸随色循环数和光栅色散方向上基准脉冲带宽的增加而增大。
Simulation results show that the size of the focal spot increases with the number of color cycles and the basic pulse bandwidth in the dispersing direction.
本文对衍射光栅色散理论与光栅设计、制作工艺和效率检验方法做了较为深入的研究。
In this paper the study on the dispersion theory, design, manufacture techniques, and efficiency test methods of diffraction gratings were made in a deep way.
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。
Polarization mode dispersion (PMD) in fiber Bragg gratings (FBG) is investigated with the emphasis on the PMD of chirped FBG dispersion compensators.
本文着眼于这一机制,运用有限差分法对光纤光栅中布拉格孤子的传输进行数值模拟,进而研究光栅色散渐减和损耗对布拉格孤子传输的影响。
Effects of dispersion decreasing and loss on Transmission of Bragg solitons in fiber Bragg gratings is analyzed by simulating numerically the transform of Bragg solitons.
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。
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.
对于制作和设计线性啁啾光纤光栅用作色散补偿器,本文具有一定的理论参考价值。
The thesis is helpful for the design and facture of a linearly chirped fiber grating as dispersion compensator.
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。
That dispersion is compensated with linearly chirped fiber grating is analyzed qualively and its characteristic and limitations are discussed.
微机通过接口电路自动控制红外光栅单色仪,对光纤材料进行零色散波长的精确测量。
Microcomputcrs automatically control infrared grating monochrometer through interface circuit, and make a precise measurement of zero dispersion wave length for optical fibre material.
啁啾光纤光栅可用于光纤色散补偿及脉冲压缩。
Chirped fiber grating can be used in compensating fiber dispersion and compressing pulse.
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。
To obtain larger dispersion, chirped fiber gratings with longer length and smaller chirp coefficient are required.
基于非线性耦合模方程,研究了非线性管理光纤光栅中的调制不稳定性,得到了调制不稳定性的色散关系。
Modulation instability in fiber grating with nonlinearity management is studied based on the nonlinear coupled-mode equations. The dispersion relation for modulation instability is obtained.
具有切践包络的线性啁啾光纤光栅是用于色散补偿的重要无源器件。
The apodized linear chirped fiber grating is an important passive device for dispersion compensation.
利用啁啾光纤光栅,对带啁啾的超高斯脉冲的色散补偿特性进行了理论分析和数值模拟。
By using the chirped fiber grating, theoretically study and numerical simulation have been made on the compensating dispersion property of chirped super Gaussian pulses transmitting in the fiber.
本文介绍了一种螺旋型啁啾光纤光栅(H -CFBG)的制造方法,并且从理论上分析了它的耦合方程以及对它的色散补偿分析。
This paper introduce a novel fabrication of the helical chirped Bragg fiber grating (H-CFBG) and the coupling theory and dispersion compensation ability is analyzed.
采用平场凹面全息光栅和多通道检测器设计了一个小型的色散系统。
Design of a dispersing system based on a multi channel detector and a flat field holographic concave grating.
按探测器元件数量分光栅的光谱覆盖范围。结果值是色散。
Divide the Spectral Range of the Grating by the Number of Detector Elements. The resulting value is the Dispersion.
在光栅谱衍射干涉法的基础上,本文提出用色散效应产生的相位体微分干涉条纹,进行实时假彩色编码的原理。
A new principle is proposed to pseudocolor-code the differential interference in the grating-diffraction interferometry with extended white light illumination by using dispersion effect of a prism.
在色散线性方面,光栅光谱仪基本线性,棱镜光谱仪的短波非线性问题可通过复合棱镜进行补偿。
In the dispersion linearity aspect, the spectrometers with grating are linear. The nonlinear problem of shortwave for spectrometers with prisms can be solved through double-prisms.
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。
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.
并对此种光栅的反射谱,时延及群速度色散进行了理论分析;
The reflection spectrum, time delay, and group velocity dispersion (GVD) of the gratings are analyzed.
光纤光栅的色散不仅影响到光纤光栅本身的使用范围,更作为一种属性成为色散补偿的重要方法。
The dispersion effect of optical fiber grating is one of the most important characters which not only limits its application range but also become a promising dispersion compensation technology.
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。
Pulse broadening due to fiber dispersion is analyzed. The principle of dispersion compensation using chirped fiber Bragg gratings is introduced.
目前报道的真延时结构有普通光纤延时线、色散光纤延时线、光纤光栅真延时、自由空间光学真延时、波导技术光学真延时等。
By now, There are many kinds of True Time delay schemes such as fiber delay line, fiber dispersion delay line, fiber grating prisms and ect.
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。
The dispersion of linearly chirped fiber gratings with different coupling profiles is studied theoretically and numerically using coupling mode equations.
通过比较得出一组最佳的品质因数调节参数,并用于对光栅耦合系数高斯分布形状和耦合长度进行优化,最终获得了最佳的色散特性。
With this quality factor, the grating structure is optimized by selecting different coupling lengths and the distribution of coupling coefficient to improve its dispersion property.
啁啾光纤光栅被认为是目前最有实用价值的色散补偿方案之一。
Chirped fiber gratings have been considered as one of the most practical schemes to compensate the dispersion of standard telecommunication optical fiber.
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。
An optical pulse compressor using a normal dispersion fiber combined with a linearly chirped fiber grating (instead of a block grating pair) is proposed.
根据失调拼接光栅对压缩系统模型,推导了拼接误差引起的角色散公式。
Base on the model of grating-pair compressor, the formula of angular dispersion caused by alignment errors was derived.
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