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基于光学晶体的双向微波光学延时线设计

Bi-directional Microwave Optical Delay Line Based on Optical Crystal
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摘要 该文提出一种基于光学晶体的双向微波光学延时线,由空间光学延时线、光调制模块、光电探测器及微波开关构成,其中,空间光学延时线由磁光开关与光学晶体组成,通过高折射率光学晶体对光线的延时作用,实现对加载微波信号的光载波进行延迟处理。项目组根据此微波光学延时线原理,制作一批4 bit的延时线,并构建一套16通道32~38 G的收发一体光控波束形成网络,并根据实际测量的延时量,仿真出网络波束指向图,证明该网络具备波束形成、扫描能力,为光控波束形成网络的集成化设计及大规模应用的研究提供一定的支撑。 In this paper,a bi-directional microwave optical delay line based on optical crystal is proposed,which is composed of a spatial optical delay line,an optical modulation module,a photodetector and a microwave switch.The spatial optical delay line is composed of a magneto-optical switch and an optical crystal.Through the delay effect of high refractive index optical crystal on light,the optical carrier loaded with microwave signal is delayed.According to the principle of microwave optical delay line,the project team made a number of 4-bit delay lines,and constructed a set of 32~38 G 16-channel optical beamforming network with integrated transceiver.According to the actual measured delay,the network beam direction map was simulated,which proved that the network has the ability of beamforming and scanning,which provides a certain support for the integrated design and large-scale application of optical beamforming network.
作者 李琳 张金光 LI Lin;ZHANG Jinguang
出处 《科技创新与应用》 2023年第19期29-32,共4页 Technology Innovation and Application
关键词 延时线 磁光开关 光学晶体 波束形成网络 收发一体 delay line magneto-optic switch optical crystal beamforming network integrated transceiver
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