Fizeau laser interferometer measures wavefront distortion and reflective flatness (figure) of thicker transparent parts:
Indars Flatness Interferometer:
WYKO lightwave interferometer: Surface finish readings with 1 Angstrom resolution. Print out graph reports are available.
Federal diamond needle surface finish 1 µ” and higher.
Hardcoating thickness measurements.
WYKO 3D Interferometric Surface Measurement Service
Non-contact optical profile measurements for surface roughness, thin film thickness, precision step heights, surface texture and form.
High Resolution 3D Surface Characterization
Surface peaks and valleys, step heights, surface roughness, texture variability, surface
flaws, pits, grooves, shape of plateaus, waviness, Ra, RS and RT measurements.
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How does the WYKO non-contact optical interferometer work? Click here.