Search Results - "Carlsten, B. E."

Measurement and simulation of the impact of coherent synchrotron radiation on the Jefferson Laboratory energy recovery linac electron beam by Hall, C. C., Biedron, S. G., Edelen, A. L., Milton, S. V., Benson, S., Douglas, D., Li, R., Tennant, C. D., Carlsten, B. E.

“…In an experiment conducted on the Jefferson Laboratory IR free-electron laser driver, the effects of coherent synchrotron radiation (CSR) on beam quality were…”
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Submacropulse electron-beam dynamics correlated with higher-order modes in Tesla-type superconducting rf cavities by Lumpkin, A. H., Thurman-Keup, R., Edstrom, D., Ruan, J., Eddy, N., Prieto, P., Napoly, O., Carlsten, B. E., Bishofberger, K.

“…We report the direct observations of submacropulse beam centroid oscillations correlated with higher order modes (HOMs) which were generated by off-axis…”
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First observation of elliptical sheet beam formation with an asymmetric solenoid lens by Russell, S., Wang, Z.-F., Haynes, W., Wheat, R., Carlsten, B., Earley, L., Humphries, S., Ferguson, P.

“…Currently ongoing at Los Alamos National Laboratory is a program to develop high-power, planar 100–300 GHz traveling-wave tubes. A necessary part of this…”
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Stable two-plane focusing for emittance-dominated sheet-beam transport by Carlsten, B. E., Earley, L. M., Krawczyk, F. L., Russell, S. J., Potter, J. M., Ferguson, P., Humphries, S.

“…Two-plane focusing of sheet electron beams will be an essential technology for an emerging class of high-power, 100 to 300 GHz rf sources [Carlsten et al.,…”
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Stability of an emittance-dominated sheet-electron beam in planar wiggler and periodic permanent magnet structures with natural focusing by Carlsten, B. E., Earley, L. M., Krawczyk, F. L., Russell, S. J., Potter, J. M., Ferguson, P., Humphries, S.

“…A sheet-beam traveling-wave amplifier has been proposed as a high-power generator of rf from 95 to 300 GHz, using a microfabricated rf slow-wave structure…”
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Beam dynamics performances and applications of a low-energy electron-beam magnetic bunch compressor by Prokop, C.R., Piot, P., Carlsten, B.E., Church, M.

“…Many front-end applications of electron linear accelerators rely on the production of temporally compressed bunches. The shortening of electron bunches is…”
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New source technologies and their impact on future light sources by Carlsten, B.E., Colby, E.R., Esarey, E.H., Hogan, M., Kärtner, F.X., Graves, W.S., Leemans, W.P., Rao, T., Rosenzweig, J.B., Schroeder, C.B., Sutter, D., White, W.E.

“…Emerging technologies are critically evaluated for their feasibility in future light sources. We consider both new technologies for electron beam generation…”
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Publisher’s Note: Stability of an emittance-dominated sheet-electron beam in planar wiggler and periodic permanent magnet structures with natural focusing [Phys. Rev. ST Accel. Beams 8 , 062001 (2005)] by Carlsten, B. E., Earley, L. M., Krawczyk, F. L., Russell, S. J., Potter, J. M., Ferguson, P., Humphries, S.

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Exploring minimal scenarios to produce transversely bright electron beams using the eigen-emittance concept by Duffy, L.D., Bishofberger, K.A., Carlsten, B.E., Dragt, A., Marksteiner, Q.R., Russell, S.J., Ryne, R.D., Yampolsky, N.A.

“…Next generation hard X-ray free electron lasers require electron beams with low transverse emittance. One proposal to achieve these low emittances is to…”
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Technology development for a mm-wave sheet-beam traveling-wave tube by Carlsten, B.E., Russell, S.J., Earley, L.M., Krawczyk, F.L., Potter, J.M., Ferguson, P., Humphries, S.

“…A sheet-beam traveling-wave amplifier has been proposed as a high-power generator of radio frequency (RF) from 95 to 300 GHz, using a microfabricated RF…”
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Accuracy of the equivalent circuit model using a fixed beam impedance for klystron gain cavities by Carlsten, B.E., Ferguson, P., Sprehn, D.

“…Most small-signal calculations of the modulation in a klystron's gain cavity use an equivalent circuit which includes a fixed beam impedance. Comparing this…”
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Discrete monotron oscillator by Carlsten, B.E., Haynes, W.B.

“…We theoretically and numerically investigate the operation and behavior of the discrete monotron oscillator, a novel high-power microwave source. The discrete…”
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Theory for a cylindrical pillbox accelerator cavity using layered structures for reducing skin-effect losses by Sailor, W.C., Mueller, F.M., Carlsten, B.E.

“…It is shown that for a cylindrical pillbox accelerator cavity operating in a TM/sub 0n0/ mode, the use of laminated conductors for the flat walls in…”
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Intense space-charge beam physics relevant to relativistic klystron amplifiers by Carlsten, B.E., Faehl, R.J., Fazio, M.V., Haynes, W.B., Stringfield, R.M.

“…In this paper, we examine intense space-charge beam physics that is relevant to beam bunching and extraction in a mildly relativistic klystron amplifier, and…”
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Beam-cavity interaction physics for mildly relativistic, intense-beam klystron amplifiers by Carlsten, B.E., Faehl, R.J., Fazio, M.V., Haynes, W.B., Ryne, R.D., Stringfield, R.M.

“…We examine beam-cavity interaction physics relevant to mildly relativistic, intense-beam klystron amplifiers. This is an interesting but difficult regime of…”
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Modifications to harmonic current bunching of electron beams from RF cavities due to radial boundary conditions by Carlsten, B.E., Roybal, W.T., Tallerico, P.J.

“…Harmonic current bunching of an electron beam after it passes through a standing-wave RF cavity is well known, with analytic solutions in both the transversely…”
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Submacropulse Electron-Beam Dynamics Correlated With Higher-Order Modes In Tesla-Type Superconducting RF Cavities by Lumpkin, A. H, Thurman-Keup, R, Edstrom, D, Ruan, J, Eddy, N, Prieto, P, Napoly, O, Carlsten, B. E, Bishofberger, K

“…Phys.Rev.Accel.Beams 21 (2018) 064401 We report the direct observations of sub-macropulse beam centroid oscillations correlated with higher order modes (HOMs)…”
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Calculation of beam loading using the induced-current method in passive cavities by Rees, D.E., Carlsten, B.E., Humphries, S., Tallerico, P.J.

“…A method for calculating the loaded Q and beam detuning of a passive (gain or idler) cavity in an electron device is presented. It is based on the…”
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Experimental results from the Los Alamos FEL photoinjector by Feldman, D.W., Bender, S.C., Carlsten, B.E., Early, J., Feldman, R.B., Johnson, W.J.D., Lumpkin, A.H., O'Shea, P.G., Stein, W.E., Sheffield, R.L., Young, L.M.

“…The authors report some initial measurements of electron beam properties from the new photoinjector installed as the front end on the Los Alamos free-electron…”
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Design and analysis of experimental performance of the Los Alamos HIBAF facility accelerator using the INEX computer model by Carlsten, B.E., Young, L.M., Jones, M.E., Thode, L.E., Lumpkin, A.H., Feldman, D.W., Feldman, R.B., Blind, B., Browman, M.J., O'Shea, P.G.

“…The authors review the accelerator design of the high brightness accelerator free electron laser (FEL) (HIBAF) at Los Alamos National laboratory and analyze…”
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