Absolute optical angle encoder used for laser communication terminal on satellite platform

	Absolute optical angle encoder used for laser communication terminal on satellite platform
	Han, X.-D.; X.-H. Xu; C.-S. Liu and S.-Y. Yu
	2016
发表期刊	Guangxue Jingmi Gongcheng/Optics and Precision Engineering
卷号	24 期号:10
摘要	Diffraction effects play a significant role in the digital micromirror device (DMD)-based scene projectors in the long-wave infrared (IR) band (8-12 mu m). The contrast provided by these projector systems can become noticeably worse because of the diffraction characteristics of the DMD. We apply a diffraction grating model of the DMD based on the scalar diffraction theory and the Fourier transform to address this issue. In addition, a simulation calculation is conducted with MATLAB. Finally, the simulation result is verified with an experiment. The simulation and experimental results indicate that, when the incident azimuth angle is 0 degrees and the zenith angle is between 42 degrees and 46 degrees, the scene projectors will have a good imaging contrast in the long-wave IR. The diffraction grating model proposed in this study provides a method to improve the contrast of DMD-based scene projectors in the long-wave IR. (C) 2016 Optical Society of America
文章类型	期刊
收录类别	EI
语种	中文
文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/56953
专题	中科院长春光机所知识产出
推荐引用方式 GB/T 7714	Han, X.-D.,X.-H. Xu,C.-S. Liu and S.-Y. Yu. Absolute optical angle encoder used for laser communication terminal on satellite platform[J]. Guangxue Jingmi Gongcheng/Optics and Precision Engineering,2016,24(10).
APA	Han, X.-D.,X.-H. Xu,&C.-S. Liu and S.-Y. Yu.(2016).Absolute optical angle encoder used for laser communication terminal on satellite platform.Guangxue Jingmi Gongcheng/Optics and Precision Engineering,24(10).
MLA	Han, X.-D.,et al."Absolute optical angle encoder used for laser communication terminal on satellite platform".Guangxue Jingmi Gongcheng/Optics and Precision Engineering 24.10(2016).

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