A new finite-difference-based method for wide-angle beam propagation
- Sharma, A.
- Agrawal, A.
Publication date
January 2006
DOI Publisher
Institute of Electrical and Electronics Engineers (IEEE) ISSN
1041-1135Abstract
A novel split-step finite-difference method for wide-angle beam propagation is presented. The formulation allows solution of the second-order scalar wave equation without having to make the slowly varying envelope and one-way propagation approximations. The method is highly accurate and numerically efficient requiring only simple matrix multiplication for propagation
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