نتایج جستجو برای: optical klystron
تعداد نتایج: 266878 فیلتر نتایج به سال:
We describe design and testing of an induction cell with modulator for the Relativistic Klystron Two-Beam Accelerator (RK-TBA) concept, an option for the power source for the Next Linear Collider (NLC). FM Technologies has designed and built a prototype induction accelerator, which we call a re-accelerator, for a joint LLNL/LBNL TBA technology test-bed experiment.
This paper describes three embodiments of the ubitron (FEL) amplifier that will be analyzed for possible use on the NLC. The design frequency and power are 11.424 GHz and 200 MW peak rf output power. The baseline against which these conceptual designs are to be evaluated is the PPM-focused 50-MW SLAC klystron, which in simulation shows 65% efficiency. (See paper in this conference by Ken Eppley...
This thesis describes experimental research on a 17 GHz photocathode RF gun. This work represents the first operation of a photocathode electron gun at a frequency above 3 GHz. Photocathode RF guns have the potential for achieving record high values of electron beam quality. The 1 2 cell, π-mode, copper cavity was tested with 5-10 MW, 100 ns, 17 GHz pulses from a 24 MW Haimson Research Corp. kl...
Analytical formulations for the resonant frequency of a reentrant cavity klystron are available in literature only such cavities having single beam-tunnel. An improved analytical formulation has been proposed this paper calculation gap-capacitance and multiple beam-tunnels its effects on studied. The results obtained through analysis have validated against those from 3D electromagnetic field si...
The development of X-band klystrons at SLAC originated with the idea of building an X-band Linear Collider in the late 1980’s. Since then much effort has been expended in developing a reliable X-band Power source capable of delivering >50 MW RF power in pulse widths >1.5 μs. I will report on some of the technical issues and design strategies which have led to the current SLAC klystron designs.
In this paper we consider a klystron-like mechanism of ampli cation of parasitic density modulations in an electron bunch passing a magnetic bunch compressor. Analytical expressions are derived for the small-signal gain. The main emphasis is put on analysis of coherent synchrotron radiation (CSR) e ects. Preprint submitted to Nuclear Instruments and Methods
W. A. BARLETTA, D. L. BIRX, J. K. BOYD, T. HOUCK, G. A. WESTENSKOW, AND S. S. Yv University of California, Lawrence Livermore National Laboratory, Livermore, California 94550 . i We are developing relativistic klystrons as a power source for high gradient accelerator applications such as large linear electron-positron colliders and compact accelerators. We have ,attained 200 MW peak power at 11...
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