Interpolation Iterative Arithmetic in Design of Diffractive Optical Elements

CHINESE JOURNAL OF COMPUTATIONAL PHYSICS ›› 2009, Vol. 26 ›› Issue (5): 731-736.

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Interpolation Iterative Arithmetic in Design of Diffractive Optical Elements

LIU Qiang¹, LI Ke¹, YANG Jia¹, LI Yongping^1,2

1. Department of Physics, University of Science and Technology of China, Hefei 230026, China;
2. Key Laboratory of Quantum Information, Chinese Acadamy of Siences, Hefei 230026, China

Received:2008-04-18 Revised:2008-11-27 Online:2009-09-25 Published:2009-09-25

Abstract

Abstract: Based on an Input-Output algorithm,a precise design method of DOE is proposed adapting fast Fourier transform algorithm.Numerical simulation indicates that this method improves beam shaping effectively.With same diffractive efficiency,interpolation iterative arithmetic reduces PV by 14% and RMS by 4%.The algorithm provides better initial phases of DOE for simulating annealing optimization than primitive Input-Output algorithm.

Key words: diffractive optical elements, precise design, beam shaping

CLC Number:

TL632
O436

LIU Qiang, LI Ke, YANG Jia, LI Yongping. Interpolation Iterative Arithmetic in Design of Diffractive Optical Elements[J]. CHINESE JOURNAL OF COMPUTATIONAL PHYSICS, 2009, 26(5): 731-736.

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Interpolation Iterative Arithmetic in Design of Diffractive Optical Elements

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