First results of the Fermilab high-brightness RF photoinjector

Carneiro, J.-P.; Carrigan, Richard A.; Champion, M.; Colestock, P.L.; Edwards, H.; Fuerst, J. D.; Hartung, W.; Koepke, K.; Kuchnir, M.; Santucci, J.; Spentzouris, Linda; Fitch, Michael J.; Melissinos, Adrian C.; Michelato, P.; Pagani, C.; Sertore, D.; Barov, N.; Rosenzweig, J.

doi:10.1109/pac.1999.794361

Cited by 23 publications

(14 citation statements)

References 5 publications

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“…The OTR is then transported either 30 cm to a conventional CCD camera or 7 m to a streak camera where the light is imaged onto the streak slit using a single 280 mm focal length lens. The electron beam for the experiment is provided by the Fermilab NICADD Photoinjector Laboratory (FNPL) facility [11]. The FNPL injector is a 15 MeV electron source consisting of a normal conducting L-band RF gun with a Cs 2 Te photo-cathode and a 9-cell superconducting postaccelerator cavity.…”

Section: Experimental Methodologymentioning

confidence: 99%

Observations of underdense plasma lens focusing of relativistic electron beams

Thompson

Badakov

Rosenzweig

et al. 2007

2007 IEEE Particle Accelerator Conference (PAC)

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Focusing of a 15 MeV, 19 nC electron bunch by an underdense plasma lens operated just beyond the threshold of the underdense condition has been demonstrated in experiments at the Fermilab NICADD Photoinjector Laboratory (FNPL). The strong 1.9 cm focal-length plasma-lens focused both transverse directions simultaneously and reduced the minimum area of the beam spot by a factor of 23. Analysis of the beam-envelope evolution observed near the beam waist shows that the spherical aberrations of this underdense lens are lower than those of an overdense plasma lens, as predicted by theory. Correlations between the beam charge and the properties of the beam focus corroborate this conclusion.

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Section: Experimental Methodologymentioning

confidence: 99%

Observations of underdense plasma lens focusing of relativistic electron beams

Thompson

Badakov

Rosenzweig

et al. 2007

2007 IEEE Particle Accelerator Conference (PAC)

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show abstract

“…The electron beam for the experiment is provided by the Fermilab NICADD Photoinjector Laboratory (FNPL) facility [13]. The FNPL injector is a 15 MeV electron source consisting of a normal conducting L-band RF gun with a Cs 2 Te photo-cathode and a 9-cell superconducting post-accelerator cavity.…”

Section: Experimental Methodologymentioning

confidence: 99%

UCLA/FNPL Underdense Plasma Lens Experiment: Results and Analysis

Thompson¹,

Badakov²,

Rosenzweig³

et al. 2006

AIP Conference Proceedings

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Abstract. Focusing of a 15 MeV, 16 nC electron bunch by a gaussian underdense plasma lens operated just beyond the threshold of the underdense condition has been demonstrated. The strong 1.9 cm focal length plasma lens focused both transverse directions simultaneously and reduced the minimum area of the beam spot by a factor of 23. Analysis of the beam envelope evolution observed near the beam waist shows that the spherical aberrations of this underdense lens are lower than those of an overdense plasma lens, as predicted by theory. Time resolved measurements of the focused electron bunch are also reported and compared to simulations.

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“…The A0 photoinjector [6] was designed to be the electron source for the TESLA Test Facility accelerator. It features a 1.6 cell copper gun, and a superconducting 9-cell standing wave cavity, both operating at 1300 MHz.…”

Section: Methodsmentioning

confidence: 99%

Ultra high-gradient energy loss by a pulsed electron beam in a plasma

Barov

Bishofberger

Rosenzweig

et al.

PACS2001. Proceedings of the 2001 Particle Accelerator Conference (Cat. No.01CH37268)

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The plasma wake-field mechanism can be used to couple energy at a high rate from a bunched electron beam into a plasma wave. We will present results from the Fermilab A0 facility where a beam with an initial energy of 14 MeV passes through the plasma to emerge with a much broader energy spread, spanning from a low of 3 MeV to a high of over 20 MeV. Over the 8 cm lenth of the 10 14 cm 3 plasma, this implies a 140 MeV/m deceleration and 72 MeV/m acceleration gradient.

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First results of the Fermilab high-brightness RF photoinjector

Cited by 23 publications

References 5 publications

Observations of underdense plasma lens focusing of relativistic electron beams

Observations of underdense plasma lens focusing of relativistic electron beams

UCLA/FNPL Underdense Plasma Lens Experiment: Results and Analysis

Ultra high-gradient energy loss by a pulsed electron beam in a plasma

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