以下为句子列表：
英文: Abstract: Based on two order approximation of the variation of refraction index produced by self-action while optical pulses are traveling in Kerr-medium,the propagation equation has been solved.Furthermore,the strict analytical expressions of the amplitu
中文: 文摘:将光脉冲在克尔介质中自作用产生的折射率变化作二阶近似，求解所得到的传播方程，得到啁啾高斯脉冲幅度，脉冲宽度和周啾参数随传播距离变化的严格解析解，讨论了基模高斯脉冲孤波传播的条件。
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英文: Abstract: First, this paper deduced the diffraction equation for refractive index phase modulation holographic grating, and pointed out that the diffraction efficiency was mainly influenced by refraction index modulation, and the diffraction efficiency of
中文: 文摘:首先推出折射率相位调制型全息光栅的衍射方程,由此说明衍射效率主要取决于调制折射率,且各级衍射光的衍射效率不同是多种原因造成的。
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英文: The small-sized interferometer is of high sensitivity, and can be used to measure the refraction index for transparent gas and liquid.
中文: 该干涉仪小巧，且灵敏度高，可用于透明气体和液体的折射率测量。
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英文: This paper also discussed the factors that influenced the diffraction efficiency of scattering object, and proposed the amount of refraction index modulation was very small, the diffraction efficiency was mainly determined by chemical treatment.
中文: 并指出体积光栅效应对透射全息衍射效率是有贡献的,讨论了影响散射物体全息衍射效率的问题,最后指出在一般情况下,调制折射率是一个很小的量,化学处理对它起着关键性的作用。
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