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Iterative algorithm for the design of free-space diffractive optical elements for fiber coupling.

作者信息

Thomson Martin J, Liu Jinsong, Taghizadeh Mohammad R

机构信息

School of Engineering and Physical Sciences, Heriot-Watt University, David Brewster Building, Riccarton, Edinburgh, EH14 4AS UK.

出版信息

Appl Opt. 2004 Apr 1;43(10):1996-9. doi: 10.1364/ao.43.001996.

DOI:10.1364/ao.43.001996
PMID:15074404
Abstract

We present a design method based on the Gerchberg-Saxton algorithm for the design of high-performance diffractive optical elements. Results from this algorithm are compared with results from simulated annealing and the iterative Fourier-transform algorithm. The element performance is comparable with those designed by simulated annealing, whereas the design time is similar to the iterative Fourier-transform method. Finally, we present results for a demanding beam-shaping task that was beyond the capabilities of either of the traditional algorithms. The element performances demonstrate greater than 85% efficiency and less than 2% uniformity error.

摘要

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