Request Info4D Technology CorporationAccuFiz® IR laser interferometers operate at wavelengths of 1.55, 3.8 and 10.6 μm for accurate measurement of polished or rough-ground optics and metal surfaces. AccuFiz systems are ideal for measuring concave, convex and afocal IR components, as well as IR telescopes and lens systems. Their ability to capture high slopes makes it possible to measure aspherical optics without the need for a holographic element. 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