Request Info4D Technology CorporationThe new 4D InSpec™ Surface Gauge is the first handheld, precision instrument for measuring machined surface defects and features directly on components. The 4D InSpec’s combination of portability, affordability, micrometer-level resolution and ease-of-use makes high resolution measurement available for the factory floor, in machine shops and in deployed environments. The 4D InSpec measures surface features from 0.1 to 100 mils deep. Locate and quantify defects such pits, scratches, bumps, corrosion and dents. 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With over 30,000 sq ft of space and capabilities ranging from crystal growth to polishing and even thin-film...PHOTONICS BUYERS' GUIDE CATEGORIESMach Zehnder InterferometersA Mach Zehnder interferometer is an interferometer derived from the Twyman-Green interferometer. Light passing through a sample region in one direction recombines with a second leg without traversing...Fizeau InterferometersA fizeau interferometer is a type of interferometer noted for producing narrow multiple-beam interference fringes. 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Äpre interferometers have the highest resolution, largest native aperture range, and lowest retrace...