Femtosecond x-ray free electron laser pulse duration measurement from spectral correlation function

Lutman, A. A.; Ding, Y.; Feng, Y.; Huang, Z.; Messerschmidt, M.; Wu, J.; Krzywinski, J.

doi:10.1103/PhysRevSTAB.15.030705

Title: Femtosecond x-ray free electron laser pulse duration measurement from spectral correlation function

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Authors:: Lutman, A. A.; Ding, Y.; Feng, Y.; Huang, Z.; Messerschmidt, M.; Wu, J.; Krzywinski, J.

Publication Date:: Tue Mar 13 00:00:00 EDT 2012

Sponsoring Org.:: USDOE

OSTI Identifier:: 1074746

Resource Type:: Published Article

Journal Name:: Physical Review Special Topics - Accelerators and Beams

Additional Journal Information:: Journal Volume: 15; Journal Issue: 3; Journal ID: ISSN 1098-4402

Publisher:: American Physical Society

Country of Publication:: United States

Language:: English

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                    Lutman, A. A., Ding, Y., Feng, Y., Huang, Z., Messerschmidt, M., Wu, J., and Krzywinski, J. Femtosecond x-ray free electron laser pulse duration measurement from spectral correlation function.  United States: N. p., 2012. 
Web.  doi:10.1103/PhysRevSTAB.15.030705.

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                    Lutman, A. A., Ding, Y., Feng, Y., Huang, Z., Messerschmidt, M., Wu, J., & Krzywinski, J. Femtosecond x-ray free electron laser pulse duration measurement from spectral correlation function.  United States.  https://doi.org/10.1103/PhysRevSTAB.15.030705

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                    Lutman, A. A., Ding, Y., Feng, Y., Huang, Z., Messerschmidt, M., Wu, J., and Krzywinski, J. Tue .  
"Femtosecond x-ray free electron laser pulse duration measurement from spectral correlation function".  United States.  https://doi.org/10.1103/PhysRevSTAB.15.030705.

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@article{osti_1074746,

  title        = {Femtosecond x-ray free electron laser pulse duration measurement from spectral correlation function},

  author       = {Lutman, A. A. and Ding, Y. and Feng, Y. and Huang, Z. and Messerschmidt, M. and Wu, J. and Krzywinski, J.},

  abstractNote = {},

  doi          = {10.1103/PhysRevSTAB.15.030705},

  journal      = {Physical Review Special Topics - Accelerators and Beams},

  number       = 3,

  volume       = 15,

  place        = {United States},

  year         = {Tue Mar 13 00:00:00 EDT 2012},

  month        = {Tue Mar 13 00:00:00 EDT 2012}

}

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Femtosecond x-ray free electron laser pulse duration measurement from spectral correlation function

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Femtosecond X-Ray Free Electron Laser Pulse Duration Measurement from Spectral Correlation Function

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We present a novel method for measuring the duration of femtosecond x-ray pulses from self-amplified spontaneous emission free electron lasers by performing statistical analysis in the spectral domain. Analytical expressions of the spectral correlation function were derived in the linear regime to extract both the pulse duration and the spectrometer resolution. Numerical simulations confirmed that the method can be also used in the nonlinear regime. The method was demonstrated experimentally at the Linac Coherent Light Source by measuring pulse durations down to 13 fs FWHM.
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