BL06B

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Scientific Scope
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The IR beamline BL06B is a branch of D-line. It was opened to the users by 2022. The experimental endstation of BL06B is optimized for the mid-infrared and far-infrared regions and it is equipped with a Fourier transform infrared (FTIR) spectrometer, an IR microscope, and a scanning near-field optical microscope (SNOM). The spatial resolution of a SRIR microscope approaches the theoretical diffraction limit; therefore, the fine structure of the micron region can be detected. With IR SNOM, the spatial resolution is determined by the curvature radius of the AFM tip, which is better than 50 nm. Furthermore, IR endstation can be applied in a wide range of fields, including Chemistry, Materials, Biology, Condensed matter physics, Cultural heritage, and Environmental Science.

Beamline Layout and Specifications
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Fig. 1 Optical layout of the SRIR beamline BL06B at SSRF.
 
Performance of the IR microspectroscopy endstation:
Endstations
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The main equipment of the BL06B endstation is a set of FTIR spectrometer (Bruker VERTEX 80v) and IR microscope (Hyperion 3000), as shown in Fig 2. The IR scanning near-field optical microscope (SNOM) is also purchased from Bruker with a model nano IR3. The IR beam will be selected to enter the FTIR spectrometer or SNOM.
Fig. 2 IR spectrometer and microscope (VERTEX 80v and Hyperion 3000, Bruker) and Scan near-field optical microscope (NanoIR3, Bruker)
Date analysis
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（1）The data acquisition of infrared spectra and microscopic imaging is achieved using OPUS commercial software. It is powerful and has the function of data processing. Data processing can also be performed using other softwares such as Matlab and Origin.
（2）The data acquisition of nano infrared spectra and imaging is carried out using Analysis Studio software, which can be used for data processing, as well as Matlab and other softwares.