Single pulse coherence measurements in the water window at the free-electron laser FLASH. Optics Express Volume 21, Issue 11, 3 June 2013, Pages 13005-13017
14 сентября 2018
202
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| Вид публикации | Статья |
| Контактные данные автора публикации | Mai, D.D.a, Hallmann, J.c, Reusch, T.a, Osterhoff, M.a, Dusterer, S.b, Treusch, R.b, Singer, A.b, Beckers, M.ef, Gorniak, T.ef, Senkbeil, T.b, Dronyak, R.b, Gulden, J.b, Yefanov, O.M.b, Al-Shemmary, A.b, Rosenhahn, A.ef, Mancuso, A.P.c, Va |
| Ссылка на публикацию в интернете | www.scopus.com/record/display.url?origin=recordpage&eid=2-s2.0-84878873590&citeCnt=29&noHighlight=false&sort=plf-f&src=s&st1=MEPhI&nlo=&nlr=&nls=&sid=F0743CC1BB1CEC168410A18CB87C48A7.Vdktg6RVtMfaQJ4pNTCQ:20&sot=b&sdt=b&sl=31&s=AFFIL(MEPhI) AND PUB |
Аннотация
The spatial coherence of free-electron laser radiation in the water window spectral range was studied, using the third harmonic (3rd = 2.66 nm) of DESYs Free-electron LASer in Hamburg (FLASH). Coherent single pulse diffraction patterns of 1,2-Dioleoyl-sn-glycero-3- phosphocholine (DOPC) multilamellar lipid stacks have been recorded. The intensity histogram of the speckle pattern around the first lamellar Bragg peak, corresponding to the d = 5 nm periodicity of the stack, reveals an average number of transverse modes of M = 3.0 of the 3rd harmonic. Using the lipid stack as a monochromator, pulse-to-pulse fluctuations in the third harmonic l3rd have been determined to be 0.033 nm.
Indexed keywords
Engineering controlled terms: Speckle
Average numbers; Coherence measurements; Intensity histograms; Spatial coherence; Speckle patterns; Spectral range; Third harmonic; Transverse mode
ПодробнееIndexed keywords
Engineering controlled terms: Speckle
Average numbers; Coherence measurements; Intensity histograms; Spatial coherence; Speckle patterns; Spectral range; Third harmonic; Transverse mode
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