Far field diffraction performance and testing for metal-coated and uncoated cube corner prism

TANG Kai; CHENG Zhi-en; ZHANG Hai-feng; LI Pu; ZHANG Zhong-ping

doi:10.3788/OPE.20162413.0353

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Far field diffraction performance and testing for metal-coated and uncoated cube corner prism

更新时间：2020-08-13

- Far field diffraction performance and testing for metal-coated and uncoated cube corner prism
- Optics and Precision Engineering Vol. 24, Issue 10s, Pages: 353-360(2016)
- 作者机构：
  
  1. 中国科学院大学北京,中国,100049
  2. 中国科学院上海天文台上海,200030
  3. 中国科学院空间目标与碎片重点实验室南京,210008
- 作者简介：
- 基金信息：
- DOI：10.3788/OPE.20162413.0353
  CLC： O436
- Received：20 May 2016，
  
  Revised：17 June 2016，
  
  Published：14 November 2016
- 稿件说明：
移动端阅览
汤凯, 程志恩, 张海峰等. 镀金属膜与非镀膜角锥棱镜远场衍射性能与测试[J]. 光学精密工程, 2016,24(10s): 353-360

TANG Kai, CHENG Zhi-en, ZHANG Hai-feng etc. Far field diffraction performance and testing for metal-coated and uncoated cube corner prism[J]. Editorial Office of Optics and Precision Engineering, 2016,24(10s): 353-360
汤凯, 程志恩, 张海峰等. 镀金属膜与非镀膜角锥棱镜远场衍射性能与测试[J]. 光学精密工程, 2016,24(10s): 353-360 DOI： 10.3788/OPE.20162413.0353.

TANG Kai, CHENG Zhi-en, ZHANG Hai-feng etc. Far field diffraction performance and testing for metal-coated and uncoated cube corner prism[J]. Editorial Office of Optics and Precision Engineering, 2016,24(10s): 353-360 DOI： 10.3788/OPE.20162413.0353.

摘要

角锥棱镜的远场衍射特性直接影响地面激光回波探测，为了研究镀金属膜和非镀膜两种角锥棱镜的反射偏振变化特性和远场衍射特性，以应用于不同角锥棱镜设计和卫星激光测距技术，根据角反射器结构和反射机理，利用偏振矢量分析方法和光的衍射理论求解了的反射光场以及远场衍射光强分布，以此建立了角锥棱镜远场衍射模型，并获取不同偏振方位角时的远场衍射仿真图样。通过搭建角锥棱镜远场衍射图样测试系统，进行了实测与仿真结果的远场衍射图样对比分析，最终得到了镀金属膜和非镀膜两种角锥棱镜反射光偏振态变化和远场衍射特性。结果表明：镀金属膜角锥的远场衍射能量更集中，反射光两偏振分量强度差别可达2个数量级，非镀膜角锥的远场衍射能量相对分散，反射光两偏振分量强度接近，仿真与测试结果相符。本文所构建的角锥棱镜远场衍射仿真模型，可用于不同应用的卫星激光反射器设计及激光回波性能评估。

Abstract

Far-field diffraction performance of cube-corner prism will directly affect the ground laser echo detection. In order to study the reflection polarization change performance and far-field diffraction performance of metal-coated and uncoated cube-corner prism

and apply them to different cube-corner prism design and satellite laser ranging technology

a far-field diffraction model for cube-corner prism is established and the far-field diffraction simulation patters in different polarization azimuth angles are obtained based on the light reflected field and far-field diffraction intensity distribution worked out by using the polarization vector analysis method and light diffraction theory. Then a contrastive analysis is conducted in actual measurement and simulation results of the far-field diffraction patterns by establishing a testing system for far-field diffraction patterns of the cube-corner prism

thus obtaining the reflection polarization state change and far-field diffraction performance of metal-coated and uncoated cube-corner prism. It indicates that the far-field diffraction energy of metal-coated cube-corner prism is more concentrated

and intensity of the two reflected light polarization components can reach 2 orders of magnitude; far-field diffraction energy of the uncoated cube-corner prism is relatively scattered

and intensity of the two reflected light polarization components is close to each other; the simulation results are consistent with the test results. The simulation model established for far-field diffraction of cube-corner prism can be applied to the design of satellite laser reflector for different purposes

as well as to the performance evaluation for laser echo.

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references

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