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

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

doi:10.1103/PhysRevSTAB.15.030705

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

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

Research output: Contribution to journal › Article › peer-review

44 Scopus citations

Abstract

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.

Original language	English (US)
Article number	030705
Journal	Physical Review Special Topics - Accelerators and Beams
Volume	15
Issue number	3
DOIs	https://doi.org/10.1103/PhysRevSTAB.15.030705
State	Published - Mar 13 2012
Externally published	Yes

ASJC Scopus subject areas

Nuclear and High Energy Physics
Physics and Astronomy (miscellaneous)
Surfaces and Interfaces

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10.1103/PhysRevSTAB.15.030705

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abstract = "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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AU - Lutman, A. A.

AU - Ding, Y.

AU - Feng, Y.

AU - Huang, Z.

AU - Messerschmidt, M.

AU - Wu, J.

AU - Krzywinski, J.

PY - 2012/3/13

Y1 - 2012/3/13

N2 - 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.

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

Abstract

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