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X-ray laser pulses at the Fourier transform limit

Tallents, G.J. (orcid.org/0000-0002-1409-105X), Edwards, M.H. and Mistry, P. (2007) X-ray laser pulses at the Fourier transform limit. Physical Review A. 013818. -. ISSN 1094-1622

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The temporal output of a Ni-like Ag x-ray laser of wavelength 13.9 nm has been recorded using a streak camera with ultrashort (700 fs) temporal resolution. We present a model to calculate the degree of coherence and Fourier transform limit of x-ray laser pulses produced by amplified spontaneous emission and relate the results from the model to previous interferometric measurements of the coherence length of the same Ni-like Ag x-ray laser and our measured duration of temporal output. Our modeling shows that the interferometer and streak camera results are consistent and close to the Fourier transform limit at longer gain medium lengths.

Item Type: Article
Copyright, Publisher and Additional Information: © 2007 The American Physical Society. This is an author produced version of a paper subsequently published in Physical Review A. Uploaded in accordance with the publisher's self-archiving policy.
Institution: The University of York
Academic Units: The University of York > Physics (York)
Depositing User: Repository Assistant
Date Deposited: 01 May 2007
Last Modified: 03 Apr 2016 00:02
Published Version: http://dx.doi.org/10.1103/PhysRevA.75.013818
Status: Published
Refereed: Yes
URI: http://eprints.whiterose.ac.uk/id/eprint/2437

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