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1·The article theoretically analyzes the impact of self phase modulation caused by nonlinear refractive index on ultrashort pulse.

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。

2·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.

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。

3·The phase difference between the signals from beam forming net can affect the modulation index of single channel signal and can lower the precision of tracking.

和差网络输出的和差信号相位差会影响单通道信号的调制度，进而降低跟踪精度。

4·It is a practical method to realize fine-index of step-angle by means of modulation phase-current on the principle of defined change law.

用调制相电流按给定规律变化的原理实现步距角的细分是一种适用的方法。

5·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.

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。