Grating lobes analysis based on blazed grating theory for liquid crystal optical-phased array

Jian Chen; Guolong Cui; Lingjiang KongFeng XiaoXin LiuXiaoguang Zhang

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Grating lobes analysis based on blazed grating theory for liquid crystal optical-phased array

机译：Grating lobes analysis based on blazed grating theory for liquid crystal optical-phased array

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摘要

The grating lobes of the liquid crystal optical-phased array (LCOPA) based on blazed grating theory is studied. Using the Fraunhofer propagation principle, the analytical expressions of the far-field intensity distribution are derived. Subsequently, we can obtain both the locations and the intensities of the grating lobes. The derived analytical functions that provide an insight into single-slit diffraction and multi-slit interference effect on the grating lobes are discussed. Utilizing the conventional microwave-phased array technique, the intensities of the grating lobes and the main lobe are almost the same. Different from this, the derived analytical functions demonstrate that the intensities of the grating lobes are less than that of the main lobe. The computer simulations and experiments show that the proposed method can correctly estimate the locations and the intensities of the grating lobes for a LCOPA simultaneously.

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来源
《Optical Engineering》 |2013年第9期|097102-1-097102-9|共9页
作者
Jian Chen; Guolong Cui; Lingjiang KongFeng XiaoXin LiuXiaoguang Zhang;
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作者单位

University of Electronic Science and Technology of China, School of Electronic Engineering, Chengdu 610054, China;

Science and Technology on Electro-Optical Information Security Control Laboratory, Sanhe 065201, China;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种英语
中图分类计量学;
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Grating lobes analysis based on blazed grating theory for liquid crystal optical-phased array

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