Optical serial coherent analyzer of radio-frequency (OSCAR)

被引：17
|
作者：
Li, Ruiyue [1 ,2 ]
Chen, Hongwei [1 ,2 ]
Lei, Cheng [1 ,2 ]
Yu, Ying [1 ,2 ]
Chen, Minghua [1 ,2 ]
Yang, Sigang [1 ,2 ]
Xie, Shizhong [1 ,2 ]
机构：
[1] Tsinghua Univ, Dept Elect Engn, Beijing 100084, Peoples R China
[2] Tsinghua Natl Lab Informat Sci & Technol TNList, Beijing, Peoples R China
来源：
OPTICS EXPRESS | 2014年 / 22卷 / 11期
关键词：
MICROWAVE FREQUENCY-MEASUREMENT; SCANNING RECEIVER; PHOTONIC APPROACH;
D O I：
10.1364/OE.22.013579
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Optical serial coherent analyzer of radio-frequency is a novel scheme that enables fast-scanning microwave signal measurements in a large bandwidth. The measurements are performed based on serial channelization realized by using a fast scanning laser source as the local oscillator to down-convert the to-be-measured radio-frequency (RF) signals. Optical coherent detection effectively removes interferences induced by RF's self-beating and guarantees the accuracy of measurements. In the experimental demonstration, instantaneous multi-frequency measurements and vector information acquisition of RF signals can be achieved by this scheme within 2.8 mu s over 14 GHz bandwidth. (C)2014 Optical Society of America
引用
收藏
页码：13579 / 13585
页数：7
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