A high quality tunable filter at terahertz frequencies has been designed using subwavelength metallic slit arrays. The bandpass center frequency is tunable over the range of 0.592 THz to 0.994 THz. Tunning is achieved by relative vertical movement of the subwavelength metallic slit layers.
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Published in:
Infrared Millimeter and Terahertz Waves (IRMMW-THz), 2010 35th International Conference on
Date of Conference: 5-10 Sept. 2010