从理论上分析了非线性折射率引起的脉冲自位相调制对超短脉冲的影响。
The article theoretically analyzes the impact of self phase modulation caused by nonlinear refractive index on ultrashort pulse.
研究了光纤光栅不同折射率调制的实现方法，并设计研制了实现变迹曝光法的扫描装置。
We research the various index modulation methods and design the scanning device to realize the apodized exposure.
采用基于LP算法的IS光纤光栅设计技术，设计出CFBG的折射率调制函数和啁啾分布。
The index modulating function and chirp parameter distribution of the CFBG were synthesized by layer-peeling(LP) inverse scattering(IS) technique.
我们提出采用光学双稳装置来稳定光源输出功率，并将它用于折射率调制型光纤传感器测量液体浓度的实验中。
We suggested to stable the output light intensity by using the bistable optical device and use this new device to measure the density of liquid by refractive index modulation sensor.
折射率调制的光纤传感器可用于测量稠油热采过程中的蒸汽干度测量。
Optic-fiber sensor on refractive index modulation can be applied to measure the steam quality in the process of viscous oil heating recovery.
本文提出了一种新型结构的光纤光栅——包层折射率调制光纤光栅。
A new type of fiber grating, cladding index modulated fiber grating, is presented in this paper.
新型包层折射率调制光栅可以由包层掺杂的光敏光纤经过侧面紫外曝光制成。
Through exposing the cladding photosensitive fiber to periodic ultraviolet, the new cladding index modulated fiber grating can be formed.
位相全息图一般既有浮雕调制又有折射率调制，它们都会对衍射特性产生影响。
A phase hologram not only has relief modulation but also has refractory index modulation, both modulation will affect the diffraction property of the phase hologram.
聚合物单体由于光敏感性好、折射率调制度大和分辨率高等优点在全息聚合物光栅、光了晶体和光相位调制器等器件中得到广泛的应用。
Good photon sensitivity, large index modulation and high resolution make monomer in a number of applications such as holographic polymer grating, photonic crystal and light phase modulator.
忽略轴向的模式耦合以及包层模式之间的相互耦合作用，并认为折射率指数的调制只存在于纤芯中，建立了简化的长周期光纤光栅数学模型。
Then the simplified model for the LPFG is deduced with ignoring longitudinal coupling of modes and coupling of cladding modes themselves, and also assuming the modulation of refractive index exis...
同时，研究结果表明，这种新型包层折射率调制的光纤光栅可以为解决纤芯高光敏光纤光栅的高损耗问题提供一个较好的解决方案。
Meanwhile, the research results show that the new grating can be a solution to the high attenuation problem of the gratings with the high photosensitive fiber core.
同时，研究结果表明，这种新型包层折射率调制的光纤光栅可以为解决纤芯高光敏光纤光栅的高损耗问题提供一个较好的解决方案。
Meanwhile, the research results show that the new grating can be a solution to the high attenuation problem of the gratings with the high photosensitive fiber core.
应用推荐