Research output: Contribution to Journal/Magazine › Journal article › peer-review
Research output: Contribution to Journal/Magazine › Journal article › peer-review
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TY - JOUR
T1 - Improved Corrugation Cross-Sectional Shape in Terahertz Double Corrugated Waveguide
AU - Mineo, Mauro
AU - Paoloni, Claudio
PY - 2012/11
Y1 - 2012/11
N2 - The double corrugated waveguide, with square cross-sectional corrugations, was demonstrated as an effective slow-wave structure for terahertz vacuum electron devices. The moderate losses and the good interaction impedance, in both the forward- and backward-wave regimes, enable the design of tubes at terahertz frequencies. However, significant performance improvements would derive from a further reduction of losses and an increase of the interaction impedance. Different new cross-sectional shapes of the corrugations in the double corrugated waveguide are proposed to reduce the losses and improve the interaction impedance. A relevant improvement of the tube performance in both the forward- and backward-wave regimes is obtained by using the proposed new improved cross-sectional shapes.
AB - The double corrugated waveguide, with square cross-sectional corrugations, was demonstrated as an effective slow-wave structure for terahertz vacuum electron devices. The moderate losses and the good interaction impedance, in both the forward- and backward-wave regimes, enable the design of tubes at terahertz frequencies. However, significant performance improvements would derive from a further reduction of losses and an increase of the interaction impedance. Different new cross-sectional shapes of the corrugations in the double corrugated waveguide are proposed to reduce the losses and improve the interaction impedance. A relevant improvement of the tube performance in both the forward- and backward-wave regimes is obtained by using the proposed new improved cross-sectional shapes.
KW - Dispersion
KW - double corrugated waveguide
KW - losses
KW - slow-wave structure (SWS)
KW - terahertz
U2 - 10.1109/TED.2012.2216534
DO - 10.1109/TED.2012.2216534
M3 - Journal article
VL - 59
SP - 3116
EP - 3119
JO - IEEE Transactions on Electron Devices
JF - IEEE Transactions on Electron Devices
SN - 0018-9383
IS - 11
ER -