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In this paper, a two-section folded waveguide (TSFW) structure for generating prebunching beam in terahertz (THz) extended interaction oscillator (EIO) is presented and demonstrated. For the realized aim of prebunching beam in the TSFW, it is split into two halves. With help of high speed numerical mill, the TSFW is manufactured. To avoid the effects of size deformation on the interaction of beam-wave...
Compact and coherent source is a key component for various applications of the THz waves. We report on our recent results of THz oscillators using resonant tunneling diodes (RTDs). To achieve high-frequency oscillation, the electron delay time in RTD and conduction loss around the antenna integrated with RTD were reduced. By these methods, a fundamental oscillation up to 1.92 THz was obtained at room...
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