Sinkrotron Işınımı: Depolama Halkasından Sert X-ışını Demet Hattına

Abstract

Bu çalışmada, elektronların bir elektron kaynağından salınması ile başlayıp sinkrotron ışınımı elde edilmesine kadarki birbirini izleyen adımları kapsayan genel bir bakış sunulmuştur. Üçüncü nesil ışınım kaynaklarının ana karakteristikleri ve temel bileşenleri ile farklı eklenti aygıtlarının ışınım karakteristikleri de tartışılmıştır. Tipik bir sert X-ışını sinkrotron demet hattının kısaca tasvirinden sonra, rezonans olmayan inelastik sert X-ışını tekniği olan, sinkrotron ışınımına dayalı X-ışını Raman saçılma spektroskopisi açıklanmıştır. Son olarak, DESY-PETRA III sinkrotronundaki X-ışını Raman spektrometresi kullanılarak, 10 keV enerjide 0.8 eV çözünürlükle kaydedilen sıvı fazdaki suyun oksijen K-soğurma sınırı spektrumu sunulmuş ve literatürde geleneksel X-ışını soğurma spektroskobisi ile ölçülen spektrum ile karşılaştırılmıştır. 

Keywords

• Sinkrotron ışınımı,depolama halkası,demet hattı,üçüncü nesil ışınım kaynağı,Inelastik X-ışını Saçılması,X-ışını Raman saçılma spektroskopisi

SYNCHROTRON RADIATION: FROM STORAGE RING TO A HARD X-RAY BEAMLINE

Abstract

In the present study, a general overview covering the consecutive steps, starting with the release of electrons from an electron source until the generation of synchrotron radiation, is presented. A brief introduction regarding the main characteristics and fundamental components of third generation light sources as well as the radiation characteristics of different Insertion Devices are discussed. Following a concise description of a typical hard X-ray synchrotron beamline, synchrotron radiation based X-ray Raman scattering spectroscopy, which is a non-resonant inelastic hard X-ray technique, is explained. Finally, liquid water oxygen K-edge absorption spectrum recorded with a resolution of 0.8 eV at 10 keV utilizing X-ray Raman spectrometer at PETRA III facility of DESY is presented and compared to the spectrum from the literature measured by conventional X-ray absorption spectroscopy.

Keywords

• Synchrotron radiation,storage ring,beamline,third generation light source,Inelastic X-ray Scattering,X-ray Raman scattering spectroscopy

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