| 基于电光调制的毫米波辐射计研究 |
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| 引用本文： | 张跃东,江月松,何云涛,邓士光. 基于电光调制的毫米波辐射计研究[J]. 光电子．激光, 2011, 0(7): 1018-1021 |
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| 作者姓名： | 张跃东 江月松 何云涛 邓士光 |
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| 作者单位： | 北京航空航天大学电子信息工程学院；;北京航空航天大学电子信息工程学院；;北京航空航天大学电子信息工程学院；;北京航空航天大学电子信息工程学院； |
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| 基金项目： | 武器装备探索研究资助项目(7130730);国家“863”计划资助项目(2007AA12Z114) |
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| 摘 要： | 研究了一种通过电光调制将毫米波信号加载到光载波上进行处理的毫米波辐射计。天线接收的毫米波信号由电光调制器（EOM）调制加载到光载波的边带上,并通过光纤传输该信号;利用光纤布拉格光栅（FBG）滤波器滤掉载波分量,滤波后保留的边带分量信号由光电探测器（PD）探测。为提高探测灵敏度,使用锁相放大器对PD输出的信号进行检测。分...
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| 关 键 词： | 毫米波辐射计 电光调制 光电探测 锁相放大器 灵敏度 微波光子学 |
Millimeter-wave radiometer based on electro-optic modulation |
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| ZHANG Yue-dong,JIANG Yue-song,HE Yun-tao and DENG Shi-guang. Millimeter-wave radiometer based on electro-optic modulation[J]. Journal of Optoelectronics·laser, 2011, 0(7): 1018-1021 |
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| Authors: | ZHANG Yue-dong JIANG Yue-song HE Yun-tao DENG Shi-guang |
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| Affiliation: | School of Electronic and Information Engineering,Beijing University of Aeronautics and Astronautics,Beijing 100191,China;School of Electronic and Information Engineering,Beijing University of Aeronautics and Astronautics,Beijing 100191,China;School of Electronic and Information Engineering,Beijing University of Aeronautics and Astronautics,Beijing 100191,China;School of Electronic and Information Engineering,Beijing University of Aeronautics and Astronautics,Beijing 100191,China |
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| Abstract: | A millimeter-wave radiometer using electro-optic modulation and photodetection is presented.The millimeter-wave energy collected by the antenna is transferred to the sidebands of the optical carrier by an electro-optic modulator,and then transmitted through the optical fiber.Fiber Bragg grating filters are subsequently used to suppress the optical carrier and a photo-detector is used to detect the energy in the remaining sideband.The output signal of the photo-detector is detected by a lock-in a... |
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| Keywords: | millimeter-wave radiometer electro-optic modulation photo-detection lock-in amplifier sensitivity microwave photonics |
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