Design optimization of highly efficient spectrum-splitting and beam-concentrating diffractive optical element for lateral multijunction solar cells

Two improved algorithms are proposed to extend a diffractive optical element （DOE） to work under the broad spec- trum of sunlight. An optimum design has been found for the DOE, with a weighted average optical efficiency of about 6.8% better than that of the previous design. The optimization of desig...

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Bibliographic Details
Published inChinese physics B Vol. 23; no. 4; pp. 319 - 323
Main Author 王进泽 叶佳声 黄庆礼 许信 李冬梅 孟庆波 杨国桢
Format Journal Article
LanguageEnglish
Published 01.04.2014
Subjects
Algorithms
Design optimization
Diffractive optical elements
Optimization
Photovoltaic cells
Solar cells
Sunlight
光束
多结
太阳能电池
美国能源部
聚光
衍射光学元件
设计优化
频谱分解
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Summary:Two improved algorithms are proposed to extend a diffractive optical element （DOE） to work under the broad spec- trum of sunlight. An optimum design has been found for the DOE, with a weighted average optical efficiency of about 6.8% better than that of the previous design. The optimization of designing high optical efficiency DOEs will pave the way for future designs of high-efficiency, low-cost lateral multijunction solar cells based on such a DOE.
Bibliography:Two improved algorithms are proposed to extend a diffractive optical element （DOE） to work under the broad spec- trum of sunlight. An optimum design has been found for the DOE, with a weighted average optical efficiency of about 6.8% better than that of the previous design. The optimization of designing high optical efficiency DOEs will pave the way for future designs of high-efficiency, low-cost lateral multijunction solar cells based on such a DOE.
thickness optimization, solar cell, split, concentration, diffractive optical element
11-5639/O4
ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
ISSN:1674-1056
2058-3834
1741-4199
DOI:10.1088/1674-1056/23/4/044211