[1]黎宗文.新型毫米波DBR Gunn振荡器[J].东南大学学报(自然科学版),1985,15(3):13-22.[doi:10.3969/j.issn.1001-0505.1985.03.002]
 Li Zongwen.Novel Millimeter Wave DBR Gunn Oscillators[J].Journal of Southeast University (Natural Science Edition),1985,15(3):13-22.[doi:10.3969/j.issn.1001-0505.1985.03.002]
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新型毫米波DBR Gunn振荡器()
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《东南大学学报(自然科学版)》[ISSN:1001-0505/CN:32-1178/N]

卷:
15
期数:
1985年第3期
页码:
13-22
栏目:
本刊信息
出版日期:
1985-09-20

文章信息/Info

Title:
Novel Millimeter Wave DBR Gunn Oscillators
作者:
黎宗文
南京工学院无线电工程系 讲师
Author(s):
Li Zongwen
Department of Radio Engineering
关键词:
毫米波 振荡器 介质光栅 二极管 介质波导 空间谐波 前向波 后向波 色散曲线 工作原理
分类号:
+
DOI:
10.3969/j.issn.1001-0505.1985.03.002
摘要:
本文讨论了新型毫米波 DBR(Distributed Bragg Reflector)Gunn 振荡器的原理和设计,并给出了实验结果。应用介质光栅理论和耦合模理论,及类似于集成光学、DBR 激光器的工作原理,以倒置介质带状波导为基体,利用模式耦合所呈现的表面波阻带现象提供频率和模式的选择性反射,对 Gunn 二极管产生正反馈,从而得到频谱很纯、很稳定的毫米波振荡。这种振荡器在36GHz,达到60~90mW的输出,频率稳定度可达10^{-5}。实测结果与理论计算基本一致。
Abstract:
This paper discusses the principle and design of novel millimeter wave DBR(Distriputed Bragg Reflector)Gunn oscillators with experimental results. The oscillator is based on the dielectric grating theory and coupled mode theory for guided wave optics.The operating principles are quite similar to the DBR lasers developed in integrated optical circuits of recent years.The device is built on an inverted-strip dielectric waveguide.The surface wave stopband phenomena is exhibited due to the coupledmode for providing frequ- ency and mode-selective reflections which produce positive feedback to the diode.It is possible to obtain millimeter wave oscillations with the spectral purity and stability. The oscillator fabricated from the previous principles has an output of 60~90mw and frequency stability 10^{-5} at 36GHz.The experimental results agree reasonably well with the theoretical predictions.

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更新日期/Last Update: 2013-05-01