利用改进的有效折射率法,设计了一种能得到高效率的参量放大的色散平坦微结构光纤。
By way of using improved effective index method, we have designed a dispersion-flattened microstructure fiber to get high efficiency optical parametric amplification.
结果表明,有效折射率法有方法简明、结论确切的优点。
Results show that the method possesses the advantages of simplicity and exactness.
从导波的射线理论出发,导出了波导单模条件,运用有效折射率法完成了单模波导的优化设计。
Starting with waveguide ray theory, the condition for single-mode waveguide is derived, and design of single-mode strip waveguide is accomplished with effective index method.
在众多的波导模拟工具中变分有效折射率法和有限差分束传播法都是实用性非常强的。
Variational-Effective index method and Finite difference beam propagation method(FD-BPM) are both practicable waveguide simulation tools.
变分有效折射率法是变分法(VM)和有效折射率法(EIM)的结合,它能够很精确地模拟光场分布情况;
The Variational-Effective index method is based on mixing the variational method(VM) and the effective index method(EIM), it can be used with very accuracy to simulate the field distribution.
借助于m线技术测量了有效折射率,并利用逆wkb法计算了波导的折射率分布、扩散深度和扩散系数,发现其扩散性质差异。
Effective refractive indices were measured by m-line technique. The refractive indices distribution, diffusive depth and diffusivity coefficients have been calculated using inverse WKB method.
借助于m线技术测量了有效折射率,并利用逆wkb法计算了波导的折射率分布、扩散深度和扩散系数,发现其扩散性质差异。
Effective refractive indices were measured by m-line technique. The refractive indices distribution, diffusive depth and diffusivity coefficients have been calculated using inverse WKB method.
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