White light interferometry (WLI) is a contact-free optical method for measuring surface height. It uses the phase difference between the light reflected off a reference mirror and the target sample to ...
[jrcgarry] hacked together this awesome interferometer which is able to measure displacements in the nanometer range. Commercial interferometers are used in research labs to measure tiny displacements ...
Abstract: We propose a novel angled bent multimode interferometer (ABMMI) and demonstrate both numerically and experimentally the advantages of the new structure in reducing the crosstalk (XT), ...
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