Transmit/receive module of multiwavelength optically controlled phased-array antennas

被引：23
|
作者：
Tong, DTK [1 ]
Wu, MC [1 ]
机构：
[1] Univ Calif Los Angeles, Dept Elect Engn, Los Angeles, CA 90095 USA
来源：
IEEE PHOTONICS TECHNOLOGY LETTERS | 1998年 / 10卷 / 07期
关键词：
phased arrays; gratings; wavelength-division-multiplexing; optical delay lines;
D O I：
10.1109/68.681303
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We report on a transmit/receive module of multiwavelength optically controlled phased-array antennas. Both transmit and receive mode of the module employs a single programmable dispersion matrix to provide true time delays for all antenna elements. The multiwavelength receiver combines antenna signals in the optical domain without suffering from coherent interference. Therefore, squint-free receiver over a broad frequency band can be achieved. Experimentally, squint-free beam receiving with 2-b scan angle resolution is demonstrated over an equipment-limited frequency range from de to 4 GHz.
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页码：1018 / 1020
页数：3
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