Titlebook: Quasi-Optical Control of Intense Microwave Transmission; Proceedings of the N Jay L. Hirshfield,Michael I. Petelin Conference proceedings 2

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AMPLIFICATION AND GENERATION OF HIGHPOWER MICROWAVE BY RELATIVISTIC ELECTRON BEAMS IN SECTIONED SYS 100 ns duration. As the high-frequency electric fields in the devices are limited with microwave breakdowns, further enhancement of microwave pulse energy requires broader interaction space. The main problem with such oversized and, accordingly, multi-mode structures, is keeping coherence of output

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MICROWAVE DEVICES WITH HELICALLY CORRUGATED WAVEGUIDES,rtain corrugation parameters, the eigenwave can possess a sufficiently high and almost constant group velocity over a wide frequency band in the region of close-to-zero axial wavenumber. This makes it attractive for broadband gyro- TWTs and gyro-BWOs with reduced sensitivity to electron velocity spr

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QUASI-OPTICAL TRANSMISSION LINES ATCIEMAT AND AT GPI,, MHD activity control, stabilization of Neoclassical Tearing Modes (NTM), etc, in plasmas confined by a strong magnetic field. Moreover, the relative simplicity of the launching systems and the big progress in the development of powerful microwave sources and high power transmission systems made th

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容易生皺紋

TRANSMISSION LINE COMPONENTS FOR A FUTURE MILLIMETER-WAVE HIGHGRADIENT LINEAR ACCELERATOR,rator structures, and thereby to open the possibility for development of RF technology for a future multi-TeV linear collider. A summary is given of preliminary results from the Yale/Omega-P 34-GHz magnicon, the first mm-wave accelerator-class amplifier whose existence makes possible extensions to h

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PROPAGATION OF WAVE TRAINS OF FINITE EXTENT ON WIDE, THIN-WALLED ELECTRON BEAMS,re, the cross sections of electron beams is limited by conditions of single mode generation or generation of spatially coherent radiation. For systems that are open in the transverse direction in which the largest dimensions can be achieved, the limitations are associated with the distortion of wave

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北極熊

CONTROL OF INTENSE MILLIMETER WAVE PROPAGATION BY TAILORING THE DISPERSIVE PROPERTIES OF THE MEDIUMlytically under certain conditions for a Gaussian pulse, revealing the conditions under which pulse compression or expansion occurs. It can also be shown that under appropriate conditions, the delay-time of the pulse can be stretched almost indefinitely and can be shortened so that apparent superlum

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