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Double-channel narrowband terahertz filter based on parallel plate waveguide cavities

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3 Author(s)
Lin Chen ; Engineering Research Center of Optical Instrument and System, Ministry of Education, University of Shanghai for Science and Technology, No. 516 JunGong Road, China ; ChunMei Gao ; YiMing Zhu

A tunable double-channel narrowband terahertz filter integrated with parallel plate waveguide cavities is described. The filter is formed by machining two rectangular grooves into upper and bottom plates of parallel plate waveguide, respectively. Tuning is achieved by a relative lateral shift of two metal plates with rectangle grooves. Simulation results show that both the resonance frequency and the Q values can be tuned by simply changing the separation between two grooves.

Published in:

Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), 2012 37th International Conference on

Date of Conference:

23-28 Sept. 2012