长春光学精密机械学院
纸质出版:1994
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[1]石邦任,刘骥.指数型光波导的近似解析法[J].电子学报,1994(02):92-95.
石邦任, 刘骥. Approximate Method of Optical Waveguide with Exponential Models[J]. Acta Electronica Sinica, 1994, (2).
本文用一级微扰理论,对指数型折射率分布光波导,进行了波方程的解析求解,推得用Airy函数表示的场解和色散方程。用一级近似计算了传播常数(β/k)m,与Conwell的精确计算相比较,其结果也是好的。
For the planar optical wavesuide with exponential index profile.the wave equation is solved by means of first order perturbational mathod and analytical solution of mode field and mode dispersion equations are obtained in terms of Airy function.The propagation constants are calculated by the first order approximation.Compared to exact values of Conwell
the resuts are rather satisfactory.
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