Fresnel Based Phase Optimised General Error Diffusion Algorithm for Optical Beam Shaping

被引：0
|
作者：
Ramsey, J. L. [1 ]
Sivokon, V. P. [1 ]
Hall, T. J. [2 ]
Andonovic, I. [3 ]
Michie, C. [3 ]
机构：
[1] ELCAN Opt Technol, 450 Leitz R, Midland, ON, Canada
[2] Univ Ottawa, SITE Dept, Ottawa, ON, Canada
[3] Univ Strathclyde, Dept Elect & Elect Engn, Glasgow, Lanark, Scotland
来源：
INTERNATIONAL OPTICAL DESIGN CONFERENCE 2010 | 2010年 / 7652卷
关键词：
Beam shaping; Fourier; Fresnel; diffractive optical elements; error diffusion; optimisation; DESIGN;
D O I：
10.1117/12.868570
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A method for performing optical beam shaping in the near-field region using diffractive optical elements generated by Fresnel based Phased Optimised General Error Diffusion algorithm (POGED) was developed and investigated by means of numerical simulations. POGED was found to deliver significantly higher signal to noise ratio than iterative Gerchberg-Saxton type algorithm.
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页数：12
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