Performance of the infrared microspectroscopy station at SSRF

•The first infrared beamline BL01B at SSRF has been constructed.•A brief introduction of the infrared beamline design has been given.•Synchrotron IR radiation provides better SNR than the internal globar source.•The focused spot size reaches diffraction limit.•This station has the ability of analysis samples in a small area with diffraction limited spatial resolution.

At the third generation synchrotron light source Shanghai Synchrotron Radiation Facility (SSRF), the first infrared beamline BL01B has been successfully constructed. The infrared beamline collects both bending magnet and edge radiation. A brief introduction of the infrared beamline design has been given in this article. The infrared microspectroscopy station is equipped with a Nicolet 6700 FTIR spectrometer and a Nicolet Continuum Microscope. The flux at the entrance of the FTIR spectrometer, the intensity profile, the signal to noise ratio (SNR) with different apertures, and the focused spot size of the infrared microspectroscopy station have been measured. The performances with synchrotron radiation infrared source and internal globar source have been compared. The results indicate that the infrared microspectroscopy station at SSRF has the ability of analysis samples in a small area with diffraction limited spatial resolution.