论文信息 - A wide-angle finite-element beam propagation method

A wide-angle finite-element beam propagation method

A wide-angle finite-element beam propagation method based on the Pade approximation is developed. Considerable improvement in accuracy over the paraxial approximation is achieved with virtually no additional computation. In the present algorithm, the quadratic element, transparent boundary condition, adaptive reference index, and adaptive grid are effectively utilized.

M. Koshiba | Yasuhide Tsuji

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