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Modified Wide-angle Beam Propagation Method Using Douglas Operators
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作者 JU Zhenle,FU Junmei,FENG Enxin (Lab. of Microwave Eng. and Opt. Commun.Tech.,Xi’an Jiaotong University,Xi’an 710049,CHN) 《Semiconductor Photonics and Technology》 CAS 1997年第4期269-273,共5页
A modified wide-angle beam propagation based on the Douglas operators is presented.The truncation error in the modified wide-angle beam propagation is reduced to o (Δ x ) 4 in the transverse direction nearly wi... A modified wide-angle beam propagation based on the Douglas operators is presented.The truncation error in the modified wide-angle beam propagation is reduced to o (Δ x ) 4 in the transverse direction nearly without any increase of the computation time,whereas the error in the ordinary wide-angle beam propagation method is typically o (Δ x ) 2.With trivial programming changes,the accuracy is higher,especially in wide-angle propagation. 展开更多
关键词 Douglas Operators guidewave Photonic Devices Modified Wide Beam Propagation Method
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