Novel approach to the elimination of background radiation in a single-shot longitudinal beam profile monitor

Abstract

It is proposed to use the polarization of coherent Smith-Purcell radiation (cSPr) to distinguish between the cSPr signal and background radiation in a single-shot longitudinal bunch profile monitor. A preliminary measurement of the polarization has been carried out using a 1 mm periodic metallic grating installed at the 8 MeV electron accelerator LUCX, KEK (Japan). The measured degree of polarization at θ = 90° (300 GHz) is 72.6 ± 3.7%. To make a thorough test of the theoretical model, measurements of the degree of polarization must be taken at more emission angles - equivalent to more frequencies.

Original language	English
Title of host publication	Proceedings of the 5th International Beam Instrumentation Conference, IBIC 2016
Publisher	Joint Accelerator Conferences Website (JACoW)
Pages	471-474
Number of pages	4
ISBN (Electronic)	9783954501779
Publication status	Published - 2016
Externally published	Yes
Event	5th International Beam Instrumentation Conference, IBIC 2016 - Barcelona, Spain Duration: 11 Sep 2016 → 15 Sep 2016

Publication series

Name	Proceedings of the 5th International Beam Instrumentation Conference, IBIC 2016

Conference

Conference	5th International Beam Instrumentation Conference, IBIC 2016
Country	Spain
City	Barcelona
Period	11.9.16 → 15.9.16

ASJC Scopus subject areas

Instrumentation
Nuclear and High Energy Physics

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Cite this

Harrison, H., Doucas, G., Lancaster, A. J., Konoplev, I. V., Zhang, H., Aryshev, A., Shevelev, M., Terunuma, N., & Urakawa, J. (2016). Novel approach to the elimination of background radiation in a single-shot longitudinal beam profile monitor. In Proceedings of the 5th International Beam Instrumentation Conference, IBIC 2016 (pp. 471-474). (Proceedings of the 5th International Beam Instrumentation Conference, IBIC 2016). Joint Accelerator Conferences Website (JACoW).

Novel approach to the elimination of background radiation in a single-shot longitudinal beam profile monitor. / Harrison, H.; Doucas, G.; Lancaster, A. J.; Konoplev, I. V.; Zhang, H.; Aryshev, A.; Shevelev, M.; Terunuma, N.; Urakawa, J.

Proceedings of the 5th International Beam Instrumentation Conference, IBIC 2016. Joint Accelerator Conferences Website (JACoW), 2016. p. 471-474 (Proceedings of the 5th International Beam Instrumentation Conference, IBIC 2016).

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

Harrison, H, Doucas, G, Lancaster, AJ, Konoplev, IV, Zhang, H, Aryshev, A, Shevelev, M, Terunuma, N & Urakawa, J 2016, Novel approach to the elimination of background radiation in a single-shot longitudinal beam profile monitor. in Proceedings of the 5th International Beam Instrumentation Conference, IBIC 2016. Proceedings of the 5th International Beam Instrumentation Conference, IBIC 2016, Joint Accelerator Conferences Website (JACoW), pp. 471-474, 5th International Beam Instrumentation Conference, IBIC 2016, Barcelona, Spain, 11.9.16.

Harrison H, Doucas G, Lancaster AJ, Konoplev IV, Zhang H, Aryshev A et al. Novel approach to the elimination of background radiation in a single-shot longitudinal beam profile monitor. In Proceedings of the 5th International Beam Instrumentation Conference, IBIC 2016. Joint Accelerator Conferences Website (JACoW). 2016. p. 471-474. (Proceedings of the 5th International Beam Instrumentation Conference, IBIC 2016).

Harrison, H. ; Doucas, G. ; Lancaster, A. J. ; Konoplev, I. V. ; Zhang, H. ; Aryshev, A. ; Shevelev, M. ; Terunuma, N. ; Urakawa, J. / Novel approach to the elimination of background radiation in a single-shot longitudinal beam profile monitor. Proceedings of the 5th International Beam Instrumentation Conference, IBIC 2016. Joint Accelerator Conferences Website (JACoW), 2016. pp. 471-474 (Proceedings of the 5th International Beam Instrumentation Conference, IBIC 2016).

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title = "Novel approach to the elimination of background radiation in a single-shot longitudinal beam profile monitor",

abstract = "It is proposed to use the polarization of coherent Smith-Purcell radiation (cSPr) to distinguish between the cSPr signal and background radiation in a single-shot longitudinal bunch profile monitor. A preliminary measurement of the polarization has been carried out using a 1 mm periodic metallic grating installed at the 8 MeV electron accelerator LUCX, KEK (Japan). The measured degree of polarization at θ = 90° (300 GHz) is 72.6 ± 3.7%. To make a thorough test of the theoretical model, measurements of the degree of polarization must be taken at more emission angles - equivalent to more frequencies.",

author = "H. Harrison and G. Doucas and Lancaster, {A. J.} and Konoplev, {I. V.} and H. Zhang and A. Aryshev and M. Shevelev and N. Terunuma and J. Urakawa",

note = "Funding Information: This work was supported by the: UK Science and Technology Facilities Council (STFC UK) through grant ST/M003590/1, the Leverhulme Trust through the International Network Grant (IN–2015–012), the Photon and Quantum Basic Research Coordinated Development Program from the Ministry of Education, Culture, Sports, Science and Technology, Japan and JSPS KAKENHI: 23226020 and 24654076. H. Harrison would like to thank STFC UK (ST/M50371X/1) and John Adams Institute of Accelerator Science (University of Oxford) for supporting their DPhil project. Thanks to Peter Huggard (STFC, RAL) and Byron Alderman (STFC, RAL) for helpful discussion about infra-red detectors. For more information on the design of the longitudinal bunch profile monitor please refer to IBIC MOPG62. Publisher Copyright: Copyright {\textcopyright} 2016 CC-BY-3.0 and by the respective authors. Copyright: Copyright 2020 Elsevier B.V., All rights reserved.; 5th International Beam Instrumentation Conference, IBIC 2016 ; Conference date: 11-09-2016 Through 15-09-2016",

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N2 - It is proposed to use the polarization of coherent Smith-Purcell radiation (cSPr) to distinguish between the cSPr signal and background radiation in a single-shot longitudinal bunch profile monitor. A preliminary measurement of the polarization has been carried out using a 1 mm periodic metallic grating installed at the 8 MeV electron accelerator LUCX, KEK (Japan). The measured degree of polarization at θ = 90° (300 GHz) is 72.6 ± 3.7%. To make a thorough test of the theoretical model, measurements of the degree of polarization must be taken at more emission angles - equivalent to more frequencies.

AB - It is proposed to use the polarization of coherent Smith-Purcell radiation (cSPr) to distinguish between the cSPr signal and background radiation in a single-shot longitudinal bunch profile monitor. A preliminary measurement of the polarization has been carried out using a 1 mm periodic metallic grating installed at the 8 MeV electron accelerator LUCX, KEK (Japan). The measured degree of polarization at θ = 90° (300 GHz) is 72.6 ± 3.7%. To make a thorough test of the theoretical model, measurements of the degree of polarization must be taken at more emission angles - equivalent to more frequencies.

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