The shiny side of aluminum foil.
This side of the foil has long striations across the surface, whereas the dull side (also in the library) has a lot of fine, speckled detail. The difference all occurs in the very short wavelength domain, around 20 microns—removing a 4th order polynomial as the Reference Geometry reveals this finer texture.
Measured with a Zygo ZeGage Plus, 10x objective, desampled.
Data source: Digital Metrology Solutions (www.digitalmetrology.com)
Data format: .os3d (open with OmniSurf3D)
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How to cite
If you use this dataset, please reference it as follows:
Digital Metrology Solutions. “Surface Library.” Digitalmetrology, digitalmetrology.com/dataset/aluminum-foil-shiny-side. Accessed Feb 15, 2026.