Methods of microwave physics in developing THz frequency range

2010 2nd IEEE International Workshop Thz Radiation: Basic Research and Applications Pub Date : 2010-11-04 DOI:10.1109/TERA.2010.5619949

V. Vaks

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Abstract

The application of the microwave approach to the developing of the terahertz (THz) frequency range allowed producing the set of precise methods and devices for various applications. The midpoint of the development was the using of the mixers and multipliers on the quantum semiconductor superlattices which allow more effective signal transformation in comparison with usually used devices based on Schottky diodes. As a result the unique family of the frequency synthesizers based on the backward wave oscillators operating in the frequency range of 667 ÷ 1100 GHz was produced. Besides, the application of the non-stationary microwave spectroscopy together with the components of solid state nanoelectronics allowed to realize the solid state spectrometer of the THz frequency range, working in the fast sweeping of the frequency. The high sensitivity and spectral resolution allows using the spectrometer developed for various applications. The results of the spectrometer applications for the purposes of medicine and biology, as well as for hi-tech and safety systems are presented.

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开发太赫兹频率范围的微波物理方法

将微波方法应用于太赫兹(THz)频率范围的开发，可以为各种应用提供一套精确的方法和设备。发展的中点是在量子半导体超晶格上使用混频器和乘法器，与通常使用的基于肖特基二极管的器件相比，它允许更有效的信号转换。因此，在工作频率范围为667 GHz至1100 GHz的反向波振荡器的基础上，产生了独特的频率合成器系列。此外，非稳态微波光谱的应用与固态纳米电子学元件的结合，使太赫兹频率范围内的固态光谱仪得以实现，工作在频率的快速扫频中。高灵敏度和光谱分辨率允许使用为各种应用开发的光谱仪。介绍了该光谱仪在医学、生物学、高科技和安全系统等方面的应用结果。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2010 2nd IEEE International Workshop Thz Radiation: Basic Research and Applications

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