Spectroscopic ellipsometer IR-VASE

The IR-VASE® is the first and only spectroscopic ellipsometer to combine the chemical sensitivity of FTIR spectroscopy with thin film sensitivity of spectroscopic ellipsometry. The IR-VASE covers the wide spectral range from 1.7 to 30 microns (333 to 5900 wavenumbers). It is used to characterize both thin films and bulk materials in research and industry. This rapidly growing technology is finding uses in the optical coatings, semiconductor, biological and chemical industries, as well as research labs. Wide Spectral Range Covers near to far infrared. 1.7 to 30 microns (333 to 5900 wavenumbers) Resolution from 1cm-1 to 64cm-1 High Sensitivity to Ultra-thin Films Spectroscopic ellipsometry data contain both “phase” and “amplitude” information from reflected or transmitted light. The phase information from IR ellipsometry offers higher sensitivity to ultrathin films than FTIR reflection/absorbance, while retaining the sensitivity to chemical composition. Non-destructive Characterization The IR-VASE offers non-contact, non-destructive measurements of many different material properties. Measurements do not require vacuum, and can be used to study liquid/solid interfaces common in biology and chemistry applications. No Baseline or Reference Sample Required Ellipsometry is a self-referencing technique that does not require reference samples to maintain accuracy. Samples smaller than the beam diameter can be measured because the entire beam does not need to be collected. Highly Accurate Measurement Patented calibration and data acquisition procedures, provide accurate measurements of Ψ and Δ over the full range of the instrument.