Soft-x-ray harmonic comb from relativistic electron spikes

A. S. Pirozhkov, M. Kando, T. Zh Esirkepov, P. Gallegos, H. Ahmed, E. N. Ragozin, A. Ya Faenov, T. A. Pikuz, T. Kawachi, A. Sagisaka, J. K. Koga, M. Coury, J. Green, P. Foster, C. Brenner, B. Dromey, D. R. Symes, M. Mori, K. Kawase, T. Kameshima & 20 others Y. Fukuda, L. Chen, I. Daito, K. Ogura, Y. Hayashi, H. Kotaki, H. Kiriyama, H. Okada, N. Nishimori, T. Imazono, K. Kondo, T. Kimura, T. Tajima, H. Daido, P. Rajeev, P. McKenna, M. Borghesi, D. Neely, Y. Kato, S. V. Bulanov

Research output: Contribution to journalArticle

54 Citations (Scopus)

Abstract

We demonstrate a new high-order harmonic generation mechanism reaching the "water window" spectral region in experiments with multiterawatt femtosecond lasers irradiating gas jets. A few hundred harmonic orders are resolved, giving mu J/sr pulses. Harmonics are collectively emitted by an oscillating electron spike formed at the joint of the boundaries of a cavity and bow wave created by a relativistically self-focusing laser in underdense plasma. The spike sharpness and stability are explained by catastrophe theory. The mechanism is corroborated by particle-in-cell simulations.

LanguageEnglish
Article number135004
Pages-
Number of pages5
JournalPhysical Review Letters
Volume108
Issue number13
DOIs
Publication statusPublished - 30 Mar 2012

Fingerprint

spikes
bow waves
catastrophe theory
harmonics
gas jets
sharpness
self focusing
lasers
harmonic generations
electrons
x rays
cavities
pulses
cells
water
simulation

Keywords

  • x-ray harmonic comb
  • harmonic comb
  • relativistic electron spikes
  • electron spikes

Cite this

Pirozhkov, A. S., Kando, M., Esirkepov, T. Z., Gallegos, P., Ahmed, H., Ragozin, E. N., ... Bulanov, S. V. (2012). Soft-x-ray harmonic comb from relativistic electron spikes. Physical Review Letters, 108(13), -. [135004]. https://doi.org/10.1103/PhysRevLett.108.135004
Pirozhkov, A. S. ; Kando, M. ; Esirkepov, T. Zh ; Gallegos, P. ; Ahmed, H. ; Ragozin, E. N. ; Faenov, A. Ya ; Pikuz, T. A. ; Kawachi, T. ; Sagisaka, A. ; Koga, J. K. ; Coury, M. ; Green, J. ; Foster, P. ; Brenner, C. ; Dromey, B. ; Symes, D. R. ; Mori, M. ; Kawase, K. ; Kameshima, T. ; Fukuda, Y. ; Chen, L. ; Daito, I. ; Ogura, K. ; Hayashi, Y. ; Kotaki, H. ; Kiriyama, H. ; Okada, H. ; Nishimori, N. ; Imazono, T. ; Kondo, K. ; Kimura, T. ; Tajima, T. ; Daido, H. ; Rajeev, P. ; McKenna, P. ; Borghesi, M. ; Neely, D. ; Kato, Y. ; Bulanov, S. V. / Soft-x-ray harmonic comb from relativistic electron spikes. In: Physical Review Letters. 2012 ; Vol. 108, No. 13. pp. -.
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Pirozhkov, AS, Kando, M, Esirkepov, TZ, Gallegos, P, Ahmed, H, Ragozin, EN, Faenov, AY, Pikuz, TA, Kawachi, T, Sagisaka, A, Koga, JK, Coury, M, Green, J, Foster, P, Brenner, C, Dromey, B, Symes, DR, Mori, M, Kawase, K, Kameshima, T, Fukuda, Y, Chen, L, Daito, I, Ogura, K, Hayashi, Y, Kotaki, H, Kiriyama, H, Okada, H, Nishimori, N, Imazono, T, Kondo, K, Kimura, T, Tajima, T, Daido, H, Rajeev, P, McKenna, P, Borghesi, M, Neely, D, Kato, Y & Bulanov, SV 2012, 'Soft-x-ray harmonic comb from relativistic electron spikes' Physical Review Letters, vol. 108, no. 13, 135004, pp. -. https://doi.org/10.1103/PhysRevLett.108.135004

Soft-x-ray harmonic comb from relativistic electron spikes. / Pirozhkov, A. S.; Kando, M.; Esirkepov, T. Zh; Gallegos, P.; Ahmed, H.; Ragozin, E. N.; Faenov, A. Ya; Pikuz, T. A.; Kawachi, T.; Sagisaka, A.; Koga, J. K.; Coury, M.; Green, J.; Foster, P.; Brenner, C.; Dromey, B.; Symes, D. R.; Mori, M.; Kawase, K.; Kameshima, T.; Fukuda, Y.; Chen, L.; Daito, I.; Ogura, K.; Hayashi, Y.; Kotaki, H.; Kiriyama, H.; Okada, H.; Nishimori, N.; Imazono, T.; Kondo, K.; Kimura, T.; Tajima, T.; Daido, H.; Rajeev, P.; McKenna, P.; Borghesi, M.; Neely, D.; Kato, Y.; Bulanov, S. V.

In: Physical Review Letters, Vol. 108, No. 13, 135004, 30.03.2012, p. -.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Soft-x-ray harmonic comb from relativistic electron spikes

AU - Pirozhkov, A. S.

AU - Kando, M.

AU - Esirkepov, T. Zh

AU - Gallegos, P.

AU - Ahmed, H.

AU - Ragozin, E. N.

AU - Faenov, A. Ya

AU - Pikuz, T. A.

AU - Kawachi, T.

AU - Sagisaka, A.

AU - Koga, J. K.

AU - Coury, M.

AU - Green, J.

AU - Foster, P.

AU - Brenner, C.

AU - Dromey, B.

AU - Symes, D. R.

AU - Mori, M.

AU - Kawase, K.

AU - Kameshima, T.

AU - Fukuda, Y.

AU - Chen, L.

AU - Daito, I.

AU - Ogura, K.

AU - Hayashi, Y.

AU - Kotaki, H.

AU - Kiriyama, H.

AU - Okada, H.

AU - Nishimori, N.

AU - Imazono, T.

AU - Kondo, K.

AU - Kimura, T.

AU - Tajima, T.

AU - Daido, H.

AU - Rajeev, P.

AU - McKenna, P.

AU - Borghesi, M.

AU - Neely, D.

AU - Kato, Y.

AU - Bulanov, S. V.

PY - 2012/3/30

Y1 - 2012/3/30

N2 - We demonstrate a new high-order harmonic generation mechanism reaching the "water window" spectral region in experiments with multiterawatt femtosecond lasers irradiating gas jets. A few hundred harmonic orders are resolved, giving mu J/sr pulses. Harmonics are collectively emitted by an oscillating electron spike formed at the joint of the boundaries of a cavity and bow wave created by a relativistically self-focusing laser in underdense plasma. The spike sharpness and stability are explained by catastrophe theory. The mechanism is corroborated by particle-in-cell simulations.

AB - We demonstrate a new high-order harmonic generation mechanism reaching the "water window" spectral region in experiments with multiterawatt femtosecond lasers irradiating gas jets. A few hundred harmonic orders are resolved, giving mu J/sr pulses. Harmonics are collectively emitted by an oscillating electron spike formed at the joint of the boundaries of a cavity and bow wave created by a relativistically self-focusing laser in underdense plasma. The spike sharpness and stability are explained by catastrophe theory. The mechanism is corroborated by particle-in-cell simulations.

KW - x-ray harmonic comb

KW - harmonic comb

KW - relativistic electron spikes

KW - electron spikes

UR - http://www.scopus.com/inward/record.url?scp=84859336923&partnerID=8YFLogxK

UR - http://arxiv.org/abs/1201.0333

U2 - 10.1103/PhysRevLett.108.135004

DO - 10.1103/PhysRevLett.108.135004

M3 - Article

VL - 108

SP - -

JO - Physical Review Letters

T2 - Physical Review Letters

JF - Physical Review Letters

SN - 0031-9007

IS - 13

M1 - 135004

ER -

Pirozhkov AS, Kando M, Esirkepov TZ, Gallegos P, Ahmed H, Ragozin EN et al. Soft-x-ray harmonic comb from relativistic electron spikes. Physical Review Letters. 2012 Mar 30;108(13):-. 135004. https://doi.org/10.1103/PhysRevLett.108.135004