Cs2Te photocathode response time measurements and femtosecond comb electron beam generation as a milestone towards pre-bunched THz FEL realization

A. Aryshev, Y. Honda, K. Lekomtsev, M. Shevelev, N. Terunuma, J. Urakawa

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

Currently there is a rapidly growing demand to increase the brightness of electron beams generated by conventional RF guns as well as to decrease the cost of the injector accelerator system for many research facilities worldwide. To address this demand we investigate one of the most important parameter of the high Q.E. conventional semiconductor Cs2Te photocathode, its response time. It sets the principle limitation for generated bunch length and hence maximum achievable beam brightness of electron diffraction and pre-bunched THz FEL facility's injectors. The experimental investigation was done at KEK: LUCX facility. The Cs2Te photocathode response time better than 250 fs was demonstrated. The generation of 4 micro-bunch comb electron beam with variable time separation as a crucial technology for pre-bunched THz FEL realization was achieved.

Original languageEnglish
Title of host publicationIPAC 2016 - Proceedings of the 7th International Particle Accelerator Conference
PublisherJoint Accelerator Conferences Website (JACoW)
Pages3941-3943
Number of pages3
ISBN (Electronic)9783954501472
Publication statusPublished - 2016
Externally publishedYes
Event7th International Particle Accelerator Conference, IPAC 2016 - Busan, Korea, Republic of
Duration: 8 May 201613 May 2016

Conference

Conference7th International Particle Accelerator Conference, IPAC 2016
CountryKorea, Republic of
CityBusan
Period8.5.1613.5.16

Fingerprint

photocathodes
time measurement
electron beams
injectors
brightness
research facilities
accelerators
electron diffraction
costs

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Atomic and Molecular Physics, and Optics

Cite this

Aryshev, A., Honda, Y., Lekomtsev, K., Shevelev, M., Terunuma, N., & Urakawa, J. (2016). Cs2Te photocathode response time measurements and femtosecond comb electron beam generation as a milestone towards pre-bunched THz FEL realization. In IPAC 2016 - Proceedings of the 7th International Particle Accelerator Conference (pp. 3941-3943). Joint Accelerator Conferences Website (JACoW).

Cs2Te photocathode response time measurements and femtosecond comb electron beam generation as a milestone towards pre-bunched THz FEL realization. / Aryshev, A.; Honda, Y.; Lekomtsev, K.; Shevelev, M.; Terunuma, N.; Urakawa, J.

IPAC 2016 - Proceedings of the 7th International Particle Accelerator Conference. Joint Accelerator Conferences Website (JACoW), 2016. p. 3941-3943.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Aryshev, A, Honda, Y, Lekomtsev, K, Shevelev, M, Terunuma, N & Urakawa, J 2016, Cs2Te photocathode response time measurements and femtosecond comb electron beam generation as a milestone towards pre-bunched THz FEL realization. in IPAC 2016 - Proceedings of the 7th International Particle Accelerator Conference. Joint Accelerator Conferences Website (JACoW), pp. 3941-3943, 7th International Particle Accelerator Conference, IPAC 2016, Busan, Korea, Republic of, 8.5.16.
Aryshev A, Honda Y, Lekomtsev K, Shevelev M, Terunuma N, Urakawa J. Cs2Te photocathode response time measurements and femtosecond comb electron beam generation as a milestone towards pre-bunched THz FEL realization. In IPAC 2016 - Proceedings of the 7th International Particle Accelerator Conference. Joint Accelerator Conferences Website (JACoW). 2016. p. 3941-3943
Aryshev, A. ; Honda, Y. ; Lekomtsev, K. ; Shevelev, M. ; Terunuma, N. ; Urakawa, J. / Cs2Te photocathode response time measurements and femtosecond comb electron beam generation as a milestone towards pre-bunched THz FEL realization. IPAC 2016 - Proceedings of the 7th International Particle Accelerator Conference. Joint Accelerator Conferences Website (JACoW), 2016. pp. 3941-3943
@inproceedings{689d95af98f04ae78c301854bd9720e8,
title = "Cs2Te photocathode response time measurements and femtosecond comb electron beam generation as a milestone towards pre-bunched THz FEL realization",
abstract = "Currently there is a rapidly growing demand to increase the brightness of electron beams generated by conventional RF guns as well as to decrease the cost of the injector accelerator system for many research facilities worldwide. To address this demand we investigate one of the most important parameter of the high Q.E. conventional semiconductor Cs2Te photocathode, its response time. It sets the principle limitation for generated bunch length and hence maximum achievable beam brightness of electron diffraction and pre-bunched THz FEL facility's injectors. The experimental investigation was done at KEK: LUCX facility. The Cs2Te photocathode response time better than 250 fs was demonstrated. The generation of 4 micro-bunch comb electron beam with variable time separation as a crucial technology for pre-bunched THz FEL realization was achieved.",
author = "A. Aryshev and Y. Honda and K. Lekomtsev and M. Shevelev and N. Terunuma and J. Urakawa",
year = "2016",
language = "English",
pages = "3941--3943",
booktitle = "IPAC 2016 - Proceedings of the 7th International Particle Accelerator Conference",
publisher = "Joint Accelerator Conferences Website (JACoW)",

}

TY - GEN

T1 - Cs2Te photocathode response time measurements and femtosecond comb electron beam generation as a milestone towards pre-bunched THz FEL realization

AU - Aryshev, A.

AU - Honda, Y.

AU - Lekomtsev, K.

AU - Shevelev, M.

AU - Terunuma, N.

AU - Urakawa, J.

PY - 2016

Y1 - 2016

N2 - Currently there is a rapidly growing demand to increase the brightness of electron beams generated by conventional RF guns as well as to decrease the cost of the injector accelerator system for many research facilities worldwide. To address this demand we investigate one of the most important parameter of the high Q.E. conventional semiconductor Cs2Te photocathode, its response time. It sets the principle limitation for generated bunch length and hence maximum achievable beam brightness of electron diffraction and pre-bunched THz FEL facility's injectors. The experimental investigation was done at KEK: LUCX facility. The Cs2Te photocathode response time better than 250 fs was demonstrated. The generation of 4 micro-bunch comb electron beam with variable time separation as a crucial technology for pre-bunched THz FEL realization was achieved.

AB - Currently there is a rapidly growing demand to increase the brightness of electron beams generated by conventional RF guns as well as to decrease the cost of the injector accelerator system for many research facilities worldwide. To address this demand we investigate one of the most important parameter of the high Q.E. conventional semiconductor Cs2Te photocathode, its response time. It sets the principle limitation for generated bunch length and hence maximum achievable beam brightness of electron diffraction and pre-bunched THz FEL facility's injectors. The experimental investigation was done at KEK: LUCX facility. The Cs2Te photocathode response time better than 250 fs was demonstrated. The generation of 4 micro-bunch comb electron beam with variable time separation as a crucial technology for pre-bunched THz FEL realization was achieved.

UR - http://www.scopus.com/inward/record.url?scp=85015288965&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=85015288965&partnerID=8YFLogxK

M3 - Conference contribution

AN - SCOPUS:85015288965

SP - 3941

EP - 3943

BT - IPAC 2016 - Proceedings of the 7th International Particle Accelerator Conference

PB - Joint Accelerator Conferences Website (JACoW)

ER -