Bruker Endstation: Custom Horizontal ATR Microscope
🟡 Special Request using the Bruker Endstation
The horizontal ATR microscope is designed to provide convenient horizontal sample orientation for challenging samples measured using ATR combined with off-axis parabolic (OAP) focusing optics for optimal illumination of a variety of Internal Reflection Elements (IREs). This endstation can be coupled to both the synchrotron and globar light sources with ample opportunity for customization of both sampling environment and measurement geometry. Contact our Beamline Responsible, Scott Rosendahl, to inquire how this microscope may be configured for your experiment.
Measurement Configurations
MCT single-point spectroscopy, 150 µm pinhole at conjugate focus
FPA imaging, 3x magnification, FOV is 850x850 µm with 13.3x13.3 µm pixels, expanded by cos(θAOI)-1 along the optical axis, composite stitching available.
Further Reading
See the experimental section of this paper for more details: Morhart, T. A.; Read, S.; Wells, G.; Jacobs, M.; Rosendahl, S. M.; Achenbach, S.; Burgess, I. J. Attenuated Total Reflection Fourier Transform Infrared (ATR FT-IR) Spectromicroscopy Using Synchrotron Radiation and Micromachined Silicon Wafers for Microfluidic Applications. Appl Spectrosc 2018. doi:10.1177/0003702818785640.
Techniques
Synchrotron ATR-FTIR Spectroscopy
ATR Infrared Chemical Imaging
Detectors
Single-element 250 µm Kolmar MCT
Focal Plane Array (64 x 64)