Junqin Li, Zhenhua Chen, Zilong Zhao, Ying Zou, Yong Wang, Renzhong Tai. Soft X-Ray Absorption Spectroscopy of Low Z Element Based on Fluorescence Emission[J]. Acta Optica Sinica, 2019, 39(10): 1034002
- Acta Optica Sinica
- Vol. 39, Issue 10, 1034002 (2019)
Fig. 1. Transmission of X-ray for C1 windows with different energies
Fig. 2. Experimental setup of fluorescence-detected soft X-ray absorption measurement
Fig. 3. Absorption spectrum data acquisition flow chart and software interface based on LabView. (a) Flow chart of data acquisition; (b) user interface
Fig. 4. Fluorescence spectra at photo energy of 700 eV
Fig. 5. 2D-mapping of fluorescence intensity with incident photon energy varied from 680 eV to 714 eV
Fig. 6. F K-edge absorption spectra of target gas CF4 obtained through partial fluorescence yield
Fig. 7. F K-edge absorption spectrum of target gas CF4 obtained through partial fluorescence yield when the pressure is 6.7 Pa
Fig. 8. Fluorescence absorption spectrum for N element in iodine methylamine lead (CH3NH3PbI3)
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