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Imaging Ellipsometer
1. Lab Description and Capabilities
- Spectroscopic ellipsometer with wavelength range from 380 nm to 1700 nm
- Imaging capabilities with 1-2 micron resolution
- Brewster angle imaging
- Angles scanning range from around 40-90o with a resolution of 0.001o
2. Deliverables
- Thickness analysis of metal, metal oxide, and organic coatings
- Non-destructive imaging analysis of how corrosion proceeds away from a pinhole or a scratch
- Absorption of water in organic coatings
- Optical characterization of metal, ceramic, or coatings for tribological applications
- Brewster angle imaging to map organic layers on water surfaces
3. Major Equipment and Specific Minor Equipment
- Imaging ellipsometer with a spatial resolution of 1-2 micrometers
- Spectroscopic unit from 360 to 1000 nm, which includes source and monochromator
- Objectives (5x, 10x, and 20x)
- Optical vibration isolation system
- Accessories such as solid-liquid cell, kinetic SPR cell, and temperature control unit ranging from 5°C to 75°C
- NIR extension up to 1700 nm (which includes source and detector)
- Broadband diode laser (658 nm, 50 mW)
- Sample handling stage (1 micron x 1 micron resolution)
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