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Improved Generation of Higher Harmonics and Suppression of the Lowest Harmonics in an X-Ray FEL with a Two-Frequency Undulator

Crossref DOI link: https://doi.org/10.3103/S0027134918050193

Published Online: 2018-12-12

Published Print: 2018-09

Update policy: https://doi.org/10.1007/springer_crossmark_policy

Authors

Zhukovsky, K. V.
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Text and Data Mining valid from 2018-09-01
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Article History

Received: 24 January 2018

Accepted: 26 February 2018

First Online: 12 December 2018

Change Date: 17 March 2020

Change Type: Erratum

Change Date: 6 August 2019

Change Type: Erratum

Change Details: The authors apologize for the misprints in the article “Improved Generation of Higher Harmonics and Suppression of the Lowest Harmonics in an X-Ray FEL with a Two-Frequency Undulator” by K. Zhukovsky in <Emphasis Type="Italic">Moscow University Physics Bulletin, 2018, Vol. 73, No. 5, pp. 462–469</Emphasis>, DOI: <ExternalRef><RefSource>https://doi.org/10.3103/S0027134918050193</RefSource><RefTarget Address="10.3103/S0027134918050193" TargetType="DOI"/></ExternalRef>, and communicate the following corrected formula (5) for the Bessel coefficients <Emphasis Type="Italic">f</Emphasis><Subscript><Emphasis Type="Italic">n</Emphasis></Subscript> of the two-frequency undulator:

Change Details: We hereby clarify the following correct mathematical formof <Emphasis Type="Bold">formula (5) and formulas in the text above</Emphasis> it for the Bessel coefficients of a dual-frequency undulator: