custom optical test stand builds

Absolute Metrology Services (AMS) is a subsidiary of Greywall Incorporated, based in East Hampton, CT. AMS specializes in optical metrology, offering optical testing, absolute calibrations of reference flats and spheres, and customized interferometry training. With over 25 years of experience, AMS serves manufacturers and end users worldwide, providing detailed test reports and on-site training. AMS is a Woman Owned Small Business.

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data processinginterferometrymaterial homogeneity testingon-site trainingoptical testingradius of curvature testingspectral reflectivity and transmission testingsurface form and flatness testingsurface quality (scratch/dig) testingsurface roughness testingtransmitted wavefront error testingwedge and beam deviation testing