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The schematic diagram of the LC-based tunable THz Lyot filter. P: polarizer; N: North pole; S: South pole.
An example of the transmitted spectrum of the broadband THz pulse through the LC filter. The time-domain signal is shown in the inset.
THz signals transmitted through the tunable LC Lyot filter for delays, , 2.2 and .
The peak transmitted frequencies of the filter vs . The circles are experimental data and the curve is theoretical prediction from Eq. (3).
The amplitudes of transmitted THz fields of e ray and o ray vs .
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