Observation of multi-GeV breakdown thresholds in dielectric wakefield structures

M. C. Thompson; H. Badakov; J. B. Rosenzweig; G. Travish; M. J. Hogan; R. Ischebeck; N. Kirby; R. Siemann; D. Walz; P. Muggli; A. Scott; R. Yoder

doi:10.1109/PAC.2007.4440656

Observation of multi-GeV breakdown thresholds in dielectric wakefield structures

M. C. Thompson, H. Badakov, J. B. Rosenzweig, G. Travish, M. J. Hogan, R. Ischebeck, N. Kirby, R. Siemann, D. Walz, P. Muggli, A. Scott, R. Yoder

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

1 Scopus citations

Abstract

An experiment designed to test the breakdown threshold of a dielectric subjected to the GV/m-scale electric-fields of an intense electron-beam has been completed. In this experiment at the Final Focus Test Beam (FFTB) facility, the 28.5 GeV SLAC electron beam was focused down and propagated through short fused-silica capillary-tubes with internal diameters of as little as 100 μm. The electric field at the inner surface of the tubes was varied from about 1 GV/m to 22 GV/m by adjusting the longitudinal compression of the electron bunch. We observed a sharp increase in optical emissions from the capillaries in the middle part of this surface field range which we believe indicates the transition between sustainable field levels and breakdown. If this initial interpretation is correct, the multi-GV/m surfaced fields that were sustained equate to on axis accelerating field of several GV/m.

Original language	English (US)
Title of host publication	Proceedings of the IEEE Particle Accelerator Conference, PAC07
Pages	3026-3028
Number of pages	3
DOIs	https://doi.org/10.1109/PAC.2007.4440656
State	Published - 2007
Externally published	Yes
Event	IEEE Particle Accelerator Conference, PAC07 - Albuquerque, NM, United States Duration: Jun 25 2007 → Jun 29 2007

Publication series

Name	Proceedings of the IEEE Particle Accelerator Conference

Other

Other	IEEE Particle Accelerator Conference, PAC07
Country/Territory	United States
City	Albuquerque, NM
Period	6/25/07 → 6/29/07

ASJC Scopus subject areas

General Engineering

Access to Document

10.1109/PAC.2007.4440656

Cite this

Thompson, M. C., Badakov, H., Rosenzweig, J. B., Travish, G., Hogan, M. J., Ischebeck, R., Kirby, N., Siemann, R., Walz, D., Muggli, P., Scott, A., & Yoder, R. (2007). Observation of multi-GeV breakdown thresholds in dielectric wakefield structures. In Proceedings of the IEEE Particle Accelerator Conference, PAC07 (pp. 3026-3028). Article 4440656 (Proceedings of the IEEE Particle Accelerator Conference). https://doi.org/10.1109/PAC.2007.4440656

Observation of multi-GeV breakdown thresholds in dielectric wakefield structures. / Thompson, M. C.; Badakov, H.; Rosenzweig, J. B. et al.
Proceedings of the IEEE Particle Accelerator Conference, PAC07. 2007. p. 3026-3028 4440656 (Proceedings of the IEEE Particle Accelerator Conference).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Thompson, MC, Badakov, H, Rosenzweig, JB, Travish, G, Hogan, MJ, Ischebeck, R, Kirby, N, Siemann, R, Walz, D, Muggli, P, Scott, A & Yoder, R 2007, Observation of multi-GeV breakdown thresholds in dielectric wakefield structures. in Proceedings of the IEEE Particle Accelerator Conference, PAC07., 4440656, Proceedings of the IEEE Particle Accelerator Conference, pp. 3026-3028, IEEE Particle Accelerator Conference, PAC07, Albuquerque, NM, United States, 6/25/07. https://doi.org/10.1109/PAC.2007.4440656

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abstract = "An experiment designed to test the breakdown threshold of a dielectric subjected to the GV/m-scale electric-fields of an intense electron-beam has been completed. In this experiment at the Final Focus Test Beam (FFTB) facility, the 28.5 GeV SLAC electron beam was focused down and propagated through short fused-silica capillary-tubes with internal diameters of as little as 100 μm. The electric field at the inner surface of the tubes was varied from about 1 GV/m to 22 GV/m by adjusting the longitudinal compression of the electron bunch. We observed a sharp increase in optical emissions from the capillaries in the middle part of this surface field range which we believe indicates the transition between sustainable field levels and breakdown. If this initial interpretation is correct, the multi-GV/m surfaced fields that were sustained equate to on axis accelerating field of several GV/m.",

author = "Thompson, {M. C.} and H. Badakov and Rosenzweig, {J. B.} and G. Travish and Hogan, {M. J.} and R. Ischebeck and N. Kirby and R. Siemann and D. Walz and P. Muggli and A. Scott and R. Yoder",

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AU - Ischebeck, R.

AU - Kirby, N.

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AU - Yoder, R.

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AB - An experiment designed to test the breakdown threshold of a dielectric subjected to the GV/m-scale electric-fields of an intense electron-beam has been completed. In this experiment at the Final Focus Test Beam (FFTB) facility, the 28.5 GeV SLAC electron beam was focused down and propagated through short fused-silica capillary-tubes with internal diameters of as little as 100 μm. The electric field at the inner surface of the tubes was varied from about 1 GV/m to 22 GV/m by adjusting the longitudinal compression of the electron bunch. We observed a sharp increase in optical emissions from the capillaries in the middle part of this surface field range which we believe indicates the transition between sustainable field levels and breakdown. If this initial interpretation is correct, the multi-GV/m surfaced fields that were sustained equate to on axis accelerating field of several GV/m.

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Observation of multi-GeV breakdown thresholds in dielectric wakefield structures

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