Approach of beam power combining at sub-millimeter waves
Received:April 12, 2018  Revised:August 27, 2018  download
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Author NameAffiliationE-mail
WANG Long State Key Laboratory of Millimeter WavesSoutheast University 
DOU Wen-Bin Southeast University  
MENG Hong-Fu   
GUO Huan   
Abstract:Key problem of sub-millimeter waves or terahertz system is the very small output power of the source. Power combining technology is a suitable approach to increase the output power. However the conventional power combining methods used in microwave and low millimeter wave bands such as circuits combining or waveguide spatial combining all suffer from the higher loss and difficult for manufacture and so on at sub-millimeter waves. In this paper an approach of beam power combining based on quasi-optical technology is proposed. It has advantages of low loss, high combining efficiency and relative easy for manufacture. The analysis, simulation and experiments results are presented. High combining efficiency has been obtained.
keywords:sub-millimeter  waves, THz, beam  power combining, quasi-optical technique
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Copyright:《Journal of Infrared And Millimeter Waves》