The Backward-Wave Oscillator (BWO) is a High-Power Microwave (HPM) source; these devices primarily nd their use (in the Air Force) in Directed Energy (DE) weaponry as the component …

Traveling wave tubes (TWTs) and backward-wave oscillators (BWOs) are both common types of microwave generators that rely on Cerenkov or Smith–Purcell radiation from an electron beam …

Feb 1, 2016 · The purpose of this study is to use a backward wave oscillator (BWO), which is typically known to radiate in the TM01 mode, to produce an HPM Gaussian wave beam. A …

oscillator (BWO) will result in sinusoidal variations in both frequency and power outputs. By manually shifting the slow wave structure with respect to the cutoff neck by one-quarter of a …

Jan 1, 2001 · Two sets of fast-scanning heterodyne radiometer receiver systems employing backward-wave oscillators (BWOs) in 78–118 and 118–178 GHz were developed and installed …

Efficiency Limitations of BWO’s BWO efficiency using homogeneous SWS limited by: 1. Heavily accelerated electrons retaining wave energy. 2. Low interaction impedance at collector end of …

Jan 1, 2001 · A novel electron cyclotron emission (ECE) radiometry technique, Electron Cyclotron Emission Imaging (ECEI), has been developed and applied to the TEXT-U and RTP tokamaks …

"A novel highly accurate synthetic technique for determination of the dispersive characteristics in periodic slow wave circuits." IEEE Trans. Microwave Theory Techniq. 40.11 (1992). The …

Backward Wave Oscillator (BWO) Based THz Spectroscopy System which is flexible to measure transmission and reflection spectra in 0.1THz – 1.5 THz. THz Time Domain Spectroscopy …

Jan 1, 1997 · Work at the University of New Mexico (UNM) has demonstrated how finite length effects in a high power vacuum backward wave oscillator (BWO) can be exploited to achieve …