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J A Woollam

J. A. Woollam Co., Inc is a manufacturer of spectroscopic ellipsometers for non-destructive thin film and bulk material characterization.

Spectroscopic ellipsometry is used for characterization of all types of materials: dielectrics, semiconductors, metals, organics, and more.

J.A. Woollam offer ellipsometers covering a spectral range to meet any need (from the vacuum UV to the far IR). Their ellipsometers come with many upgrade options: automated sample translation, variable temperature (heating or cooling), focusing optics, liquid cells, etc.