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Laser Interferometers

Verifire™ MST


Simultaneous Multi-Surface Test Interferometer Verifire™ MST Laser InterferometerSimplify the complex – multiple surfaces create complex fringe patterns, the Verifire™ MST uses patented wavelength-shifting technology to acquire phase data from multiple surfaces simultaneously. Report key metrics from individual surfaces of parallel windows, transmitted wavefront, as well as precise surface-to-surface information like total thickness variation (TTV), wedge and even material inhomogeneity. The Verifire™ MST addresses demanding applications like mobile device display glass, data storage disks and semiconductor wafers with precise surface and thickness variation metrology for test parts as thin as 0.5 mm.