Search Results - "Loewen, R.J."

The generation of 400-MW RF pulses at X-band using resonant delay lines by Tantawi, S.G., Loewen, R.J., Nantista, C.D., Vlieks, A.E.

“…In this paper, we present theory and experimental data for a resonant-delay-line pulse-compression system. The system is fed by two high-power klystrons at…”
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The generation of 400 MW RF pulses at X-band using resonant delay lines by Tantawi, S.G., Vlieks, A.E., Loewen, R.J.

“…We present theory and experimental data for a resonant-delay-line pulse-compression system. The system is fed by two high power klystrons at X-band. The output…”
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SLAC high gradient testing of a KEK X-band accelerator structure by Loewen, R.J., Menegat, A., Vlieks, A.E., Wang, J.W., Higo, T.

“…The high accelerating gradients required for future linear colliders demands a better study of field emission and RF breakdown in accelerator structures…”
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Upgrade of the SLAC SLED-II pulse compression system based on recent high power tests by Vlieks, A.E., Fowkes, W.R., Loewen, R.J., Tantawi, S.G.

“…In the Next Linear Collider (NLC) it is expected that the high power RF components be able to handle peak power levels in excess of 400 MW. We present recent…”
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An all-metal high power circularly polarized X-band RF load by Fowkes, W.R., Jongewaard, E.N., Loewen, R.J., Tantawi, S.G., Vlieks, A.E.

“…A compact RF load has been designed using a cascaded array of lossy radial RF chokes to dissipate 100 MW peak and 8 kW average power uniformly along the length…”
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A compact RF power coupler for the NLC linac by Bowden, G., Fowkes, W.B., Loewen, R.J., Miller, R.H., Ng, C., Pearson, C., Wang, J.W.

“…A high power RF coupler connecting WR90 rectangular waveguide to the disc loaded waveguide accelerating structure of NLC is described. The coupler design is…”
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Development of characterization techniques for X-band accelerator structures by Hanna, S.M., Loewen, R.J., Hoag, H.A., Miller, R.H., Ruth, R.D., Wang, J.W.

“…The recent effort to develop accelerator structures for the Next Linear Collider (NLC), requires an accompanying development of accurate and efficient…”
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SLAC/CERN high gradient tests of an X-band accelerating section by Wang, J.W., Loew, G.A., Loewen, R.J., Ruth, R.D., Vlieks, A.E., Wilson, I., Wuensch, W.

“…High frequency linear collider schemes envisage the use of rather high accelerating gradients: 50 to 100 MV/m for X-band and 80 MV/m for CLIC. Because these…”
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RDDS cell design and optimization for the linear collider linacs by Li, Z., Irwin, J., Ko, K., Loewen, R.J., Lundahl, E.W., McCandless, B., Miller, R.H., Ruth, R.D., Sun, Y., Vaillancourt, K.W., Wang, J.W.

“…Each of the JLC/NLC main linacs will consist of /spl sim/1 million complex 3D accelerating cells that make up the 1.8 meter Rounded Damped Detuned Structures…”
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The Next Linear Collider test accelerator's RF pulse compression and transmission systems by Tantawi, S.G., Adolphsen, C., Holmes, S., Lavine, T., Loewen, R.J., Nantista, C., Pearson, C., Pope, R., Rifkin, J., Ruth, R.D., Vlieks, A.E.

“…The overmoded RF transmission and pulsed power compression system for SLAC's Next Linear Collider (NLC) program requires a high degree of transmission…”
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RF systems for the NLCTA by Wang, J.W., Adolphsen, C., Atkinson, R., Baumgartner, W., Eichner, J., Fuller, R.W., Gold, S.L., Hanna, S.M., Holmes, S.G., Koontz, R.F., Lavine, T.L., Loewen, R.J., Miller, R.H., Nantista, C.D., Pope, R., Rifkin, J., Ruth, R.D., Tantawi, S.G., Vlieks, A.E., Wilson, P.B., Wilson, Z., Yeremian, A.

“…This paper describes an X-band RF system for the Next Linear Collider Test Accelerator. The RF system consists of a 90 MeV injector and a 540 MeV linac. The…”
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Accelerator structure R&D for linear colliders by Wang, J.W., Adolphsen, C., Bane, K.L., Bowden, G.B., Burke, D.L., Deruyter, H., Cornuelle, J., Farkas, Z.D., Fowkes, W.B., Hanna, S., Hoag, H.A., Irwin, J., Jones, R.M., Ko, K., Kroll, N., Li, Z., Loew, G.A., Loewen, R.J., Miller, R.H., Ng, C.K., Paterson, J.M., Pearson, C., Raubenhemer, T.O., Rifkin, J., Ruth, R.D., Tantawi, S.G., Thompson, K.A., Vaillancourt, K.W., Vlieks, A.E., Wilson, P.B., Asano, K., Funahashi, Y., Higashi, Y., Higo, T., Hitomi, N., Suzuki, T., Takata, K., Takatomi, T., Toge, N., Watanabe, Y., Elmer, J., Klingmann, J., Mugge, M., Van Bibber, K.

“…For more than ten years, we have been working on R&D for X-band accelerator structures for the JLC/NLC linear collider. Several types of Detuned (DS) and…”
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