The backward wave oscillator is a promising and powerful source at THz frequencies. The rectangular corrugated waveguide is an effective solution as slow wave structure to design backward-wave oscillators (BWOs), suitable to be fabricated by photolithographic high-aspect ratio processes. However, assembling and vacuum pumping are a critical issue. In this paper, a corrugated waveguide with the width of the corrugation narrower than the waveguide width will be investigated as slow wave structure for BWOs. A relevant improvement from the point of view of the assembling, together with even better performance will be demonstrated. Two backward wave oscillators, at 1 THz central frequency, designed with conventional and narrow corrugated waveguide will be compared in terms of output power and frequency band of tuning.
Paoloni, C., Mineo, M. (2012). Comparison of thz backward wave oscillators based on corrugated waveguides. Progress In Electromagnetics Research Letters,, 30, 163-171 [10.2528/PIERL12013107].
Comparison of thz backward wave oscillators based on corrugated waveguides
PAOLONI, CLAUDIO;
2012-03-01
Abstract
The backward wave oscillator is a promising and powerful source at THz frequencies. The rectangular corrugated waveguide is an effective solution as slow wave structure to design backward-wave oscillators (BWOs), suitable to be fabricated by photolithographic high-aspect ratio processes. However, assembling and vacuum pumping are a critical issue. In this paper, a corrugated waveguide with the width of the corrugation narrower than the waveguide width will be investigated as slow wave structure for BWOs. A relevant improvement from the point of view of the assembling, together with even better performance will be demonstrated. Two backward wave oscillators, at 1 THz central frequency, designed with conventional and narrow corrugated waveguide will be compared in terms of output power and frequency band of tuning.File | Dimensione | Formato | |
---|---|---|---|
Pier COMPARISON OF THz BACKWARD WAVE OSCILLA- TORS BASED.pdf
solo utenti autorizzati
Licenza:
Copyright dell'editore
Dimensione
902.28 kB
Formato
Adobe PDF
|
902.28 kB | Adobe PDF | Visualizza/Apri Richiedi una copia |
I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.