| 宽视角光学接收天线研究与进展 |
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| 引用本文： | 孙文昌,袁丹.宽视角光学接收天线研究与进展[J].大众科技,2012(6):54-57. |
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| 作者姓名： | 孙文昌 袁丹 |
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| 作者单位： | 电子科技大学物理电子学院,四川 成都 610054 |
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| 摘 要： | 目前的宽视角的接收一般采用视角分割,以使用多探测器或者复杂接收系统(如光纤阵列)等方式获得,但以上方式主要用于光电对抗的方位探测,在空间激光通信等场合难以适用。基于空间激光通信领域,结合目前宽视角光学接收天线的研究和进展情况,比较分析了现有的技术后,综合考虑视角、光学增益及像差大小,提出一种系统的新思路,针对宽视角、大口径接收面积的指标需求,以小接收面积光电探测器、阵列化天线为约束前提,力争结构简单、经济合理,为后续的深入研究打下良好的基础。
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| 关 键 词： | 宽视角 大增益 接收天线 空间光通信 相控阵天线 衍射光学元件 |
The Research and Progress on Optical Receiving Antenna of Wide Viewing Angle |
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| Abstract: | The viewing angle division is generally used in optical receiving antenna of wide viewing angle,using more detectors or complex access system(such as fiber array),but it is mainly used for the orientation detection in optoelectronic countermeasures,not suitable for laser communication.Based on the field of space laser telecommunication and research progress on the optical antenna of wide viewing angle,the existing technology has been compared and analyzed.Considering the viewing angle,optical gain and aberration,this paper has put forward a new idea about this new system and set up a good foundation for the further research,focusing on the index demand of wide viewing angle and large aperture receiving area,which is based on the antenna array and a small receiving area for photoelectric detector to simple the structure and reduce the cost. |
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| Keywords: | wide viewing angle big gain optical receiving antennas space optical communication phased array antenna diffractive optical elements |
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