Towards zeptosecond-scale pulses from x-ray free electron lasers

D.J. Dunning, N.R. Thompson, B.W.J. McNeil

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

Abstract

The short wavelength and high peak power of the presentgeneration of free-electron lasers (FELs) opens the possibilityof ultra-short pulses even surpassing the present(tens to hundreds of attoseconds) capabilities of other lightsources - but only if x-ray FELs can be made to generatepulses consisting of just a few optical cycles. For hard xrayoperation (<~0.1nm), this corresponds to durations ofapproximately a single attosecond, and below into the zeptosecondscale. This talk will describe a novel method [1] to generate trains of few-cycle pulses, at GW peak powers,from existing x-ray FEL facilities by using a relativelyshort 'afterburner'. Such pulses would enhance researchopportunity in atomic dynamics and push capability towardsthe investigation of electronic-nuclear and nucleardynamics. The corresponding multi-colour spectral output, with a bandwidth envelope increased by up to two orders of magnitudes over SASE, also has potential applications.
LanguageEnglish
Title of host publicationFEL2013: Proceedings of the 35th International Free-Electron Laser Conference
Pages458-463
Number of pages6
Publication statusPublished - 30 Nov 2013
Event35th International Free-Electron Laser Conference, FEL 2013 - New York, NY, United States
Duration: 26 Aug 201330 Aug 2013

Conference

Conference35th International Free-Electron Laser Conference, FEL 2013
CountryUnited States
CityNew York, NY
Period26/08/1330/08/13

Fingerprint

x ray lasers
free electron lasers
pulses
afterburning
cycles
envelopes
bandwidth
color
output
electronics
wavelengths

Keywords

  • free-electron laser
  • light
  • x-ray

Cite this

Dunning, D. J., Thompson, N. R., & McNeil, B. W. J. (2013). Towards zeptosecond-scale pulses from x-ray free electron lasers. In FEL2013: Proceedings of the 35th International Free-Electron Laser Conference (pp. 458-463)
Dunning, D.J. ; Thompson, N.R. ; McNeil, B.W.J. / Towards zeptosecond-scale pulses from x-ray free electron lasers. FEL2013: Proceedings of the 35th International Free-Electron Laser Conference. 2013. pp. 458-463
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Dunning, DJ, Thompson, NR & McNeil, BWJ 2013, Towards zeptosecond-scale pulses from x-ray free electron lasers. in FEL2013: Proceedings of the 35th International Free-Electron Laser Conference. pp. 458-463, 35th International Free-Electron Laser Conference, FEL 2013, New York, NY, United States, 26/08/13.

Towards zeptosecond-scale pulses from x-ray free electron lasers. / Dunning, D.J.; Thompson, N.R.; McNeil, B.W.J.

FEL2013: Proceedings of the 35th International Free-Electron Laser Conference. 2013. p. 458-463.

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

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N2 - The short wavelength and high peak power of the presentgeneration of free-electron lasers (FELs) opens the possibilityof ultra-short pulses even surpassing the present(tens to hundreds of attoseconds) capabilities of other lightsources - but only if x-ray FELs can be made to generatepulses consisting of just a few optical cycles. For hard xrayoperation (<~0.1nm), this corresponds to durations ofapproximately a single attosecond, and below into the zeptosecondscale. This talk will describe a novel method [1] to generate trains of few-cycle pulses, at GW peak powers,from existing x-ray FEL facilities by using a relativelyshort 'afterburner'. Such pulses would enhance researchopportunity in atomic dynamics and push capability towardsthe investigation of electronic-nuclear and nucleardynamics. The corresponding multi-colour spectral output, with a bandwidth envelope increased by up to two orders of magnitudes over SASE, also has potential applications.

AB - The short wavelength and high peak power of the presentgeneration of free-electron lasers (FELs) opens the possibilityof ultra-short pulses even surpassing the present(tens to hundreds of attoseconds) capabilities of other lightsources - but only if x-ray FELs can be made to generatepulses consisting of just a few optical cycles. For hard xrayoperation (<~0.1nm), this corresponds to durations ofapproximately a single attosecond, and below into the zeptosecondscale. This talk will describe a novel method [1] to generate trains of few-cycle pulses, at GW peak powers,from existing x-ray FEL facilities by using a relativelyshort 'afterburner'. Such pulses would enhance researchopportunity in atomic dynamics and push capability towardsthe investigation of electronic-nuclear and nucleardynamics. The corresponding multi-colour spectral output, with a bandwidth envelope increased by up to two orders of magnitudes over SASE, also has potential applications.

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Dunning DJ, Thompson NR, McNeil BWJ. Towards zeptosecond-scale pulses from x-ray free electron lasers. In FEL2013: Proceedings of the 35th International Free-Electron Laser Conference. 2013. p. 458-463