The BL02B beamline at the Shanghai Synchrotron Radiation Facility (SSRF) has a high energy resolution and high photon flux. It is now operational for ambient pressure photoelectron spectroscopy (APPES) and photon-in/photon-out spectroscopy (PIPOS) experimental use. The monochromator (MONO) has three varied line spacing gratings covering an energy range from 40 to 2000 eV. Argon core-shell excitation spectra shows an energy resolving power of greater than 104 at 244 eV. The measured photon flux is 2.3×1011 photons/sec/0.1%BW at 244 eV, 3.5 GeV, and 300 mA at the sample.
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