Analysis of Extending the Field-of-View of Focal-Plane Imaging System at Millimeter-Wavelengths

DENG Xiao-dan; PAN Jun-hua; DOU Wen-bin

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Analysis of Extending the Field-of-View of Focal-Plane Imaging System at Millimeter-Wavelengths

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- Analysis of Extending the Field-of-View of Focal-Plane Imaging System at Millimeter-Wavelengths
- Acta Electronica Sinica Vol. 31, Issue S1, Pages: 2012-2014(2003)
- 作者机构：
  
  1. 东南大学毫米波国家重点实验室,江苏,南京,210096
  2. 中国科学院国家天文台南京天文仪器中心,江苏,南京,210042
  3. 东南大学毫米波国家重点实验室,江苏,南京,210096
  4. 中国科学院国家天文台南京天文仪器中心,江苏,南京,210042
- 作者简介：
- 基金信息：
- DOI：
  CLC： O44O43
- Published Online：25 December 2003，
  
  Published：2003
- 稿件说明：
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DENG Xiao-dan, PAN Jun-hua, DOU Wen-bin. Analysis of Extending the Field-of-View of Focal-Plane Imaging System at Millimeter-Wavelengths[J]. Acta Electronica Sinica, 2003, 31(S1): 2012-2014.
DOI：

DENG Xiao-dan, PAN Jun-hua, DOU Wen-bin. Analysis of Extending the Field-of-View of Focal-Plane Imaging System at Millimeter-Wavelengths[J]. Acta Electronica Sinica, 2003, 31(S1): 2012-2014. DOI：

摘要

本文研究平面波倾斜入射在小F数毫米波焦面阵成像系统上衍射斑像差减小即视场扩大问题.采用射线追迹方法计算不同透镜剖面成像系统焦面上的点列图

对商用介质材料透镜通过优化剖面形状来减小像差从而获得视场扩大的效果.采用结合射线追迹和衍射积分的矢量孔径场法计算了透镜焦面上的衍射场分布

与实验结果做了比较

两者吻合.

Abstract

Expanding of Field-of-view for small F-number millimeter wave focal plane imaging is analyzed in this paper.Ray tracing method is used to calculate the spot pattern for different lens section plane

and then lens section plane of available dielectric material is optimized to reduce aberrations

so as to expand the field-of view.Vector aperture field method

which combines ray tracing and diffraction integral

is used to compute the diffraction field distribution in the focal plane of the imaging lens.Good agreement between calculation results and experiments has been found.

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