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General Information
Beamline U10B
Instrument
- Spectrometer endstation: Bruker Vertex 80v Step-Scan FTIR and Hyperion 3000 IR microscope
- Frequency Range (cm-1): 900 - 4000
- Spectral resolution (cm-1): 4.0
- Spatial resolution: diffraction-limit (i.e. ~ 3 to 10 microns)
- Brightness (compared to a black body): 100x to 1000x
- Detector: 128x128 FPA, single-element MCT-A
- Beamline angular acceptance: (milliradians): 90H x 40V
Optical Configuration
A two-mirror system (M1 and M2) collects and re-images the synchrotron infrared source at a point just outside of the storage ring's UHV. M1 is a water-cooled plane mirror made from silicon with a gold reflective coating. M2 is a glass ellipsoid with an aluminum reflective coating. The ellipsoidal mirror focuses the beam through an 11mm aperture wedged diamond window (~350 microns thick). Delivered spectral range extends from approximately 10 cm-1 to beyond 40,000 cm-1. The infrared is then collimated to a diameter of 14mm and transported under rough vacuum into the Bruker Vertex 80v vacuum spectrometer, through the exit port (KBr window) into the nitrogen-purged Hyperion 3000 IR Microscope endstation.
Experimental Apparatus
Bruker Vertex 80v Step-Scan FTIR equipped with KBr beamsplitter and internal DTGS-KBr detector. Bruker Hyperion 3000 IR microscope equipped with 15x, 36x, and 74x transmission/reflection IR objectives. "View-thru" capability allow simultaneous sample viewing and IR data collection. One glass objective (10X plan) for visual inspection. DIC and fluorescence microscopy capabilities. IR and visible polarizers. Automated X-Y scanning stage for spectroscopic mapping. Includes video image capture of sample specimen. Step resolution of 1 micron. 128x128 focal plane array, single-pixel MCT-A detectors.
Computer System Hardware and Software
Data collection: Intel Core2 Duo 2.1GHz processor, 4GB RAM, 150GB hard disk, 17" monitor ; Data analysis: Core2 Quad 3.0 GHz processor, 16GB RAM, 700GB hard disk, two 19" monitors. Bruker OPUS 6.0 software. HP LaserJet 4050 (B&W) printer for hardcopy output. Data can be stored on USB flash drive or external hard drive.
