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时间:2019-07-20
《Interferometric measurements with hard X-rays using a double slit》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、1May2001OpticsCommunications191@2001)91±96www.elsevier.com/locate/optcomInterferometricmeasurementswithhardX-raysusingadoubleslita,*baW.Leitenberger,S.M.Kuznetsov,A.SnigirevaEuropeanSynchrotronRadiationFacilityESRF),38043GrenobleCedex,FrancebInstituteofMicroelectronicsTechnologyRAS,
2、142432Chernogolovka,MoscowRegion,RussianFederationReceived3November2000;receivedinrevisedform6February2001;accepted6February2001AbstractWereportaboutinterferometricmeasurementswithX-raysof1.24Awavelengthusingastandardset-upofYoungÕsdouble-slitinterferometer.Wecouldexperimentallyprob
3、ethespatialcoherenceofX-raysbymeasurementofthefringevisibilityintheinterferencepattern.Theinterferometerwasadditionallyusedtodeterminetheindexofrefractionofathinsiliconplatebymeasuringthefringeshiftintheinterferencepattern.Theset-upallowedtoresolvepathlengthdierencesofatenthofthewave
4、length.Ó2001ElsevierScienceB.V.Allrightsreserved.Keywords:Interferometry;Coherence;HardX-rays;Diraction;Synchrotronradiation1.IntroductioncharacterizationmethodsforhardX-rayshastobeusedalsoinviewoffullyexploitationoftheInterferometrictechniquesareofgreatinterestpropertiesofradiationf
5、romfreeelectronlaser.InforthecharacterizationofcoherencepropertiesofthepresentpaperwereportabouttherealizationX-raybeams.ForvariousexperimentsmakinguseofaYoungdouble-slitexperimentforhardX-raysofthecoherencepropertiesoneneedsexactin-whichisindeedaveryclassicalapproach[1].Weformationa
6、bouttheincidentbeam.Fieldsofin-performedanumberofmeasurementsshowingtheterestarethedeterminationofthesourcesizeofpracticabilityofthiskindofexperimentatÔAngs-anX-raybeam,probingofthedegradationoftromwavelengthÕ.thebeamqualitybyinteractionwithbeamlineWiththeadventofhighlycollimatedsync
7、hro-componentsasvacuumwindows,monochromatortronradiationitshighspatialcoherencemadeitcrystalsormirrorsandthediagnosticsofinsertionpossibletoobserveFresnelandFraunhoferdif-devicesasundulatorsinastoragering.Suitablefractionpatterninsimpleexperiments.There-cordingofin-linehologramsofnea
8、rlytranspare
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