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High-durability dielectric-coated metal mirrors for kilowatt-class fibre laser systems

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II‐VI Incorporated today announced the introduction of its high durability dielectric-coated metal mirrors for next generation kilowatt-class fiber laser systems.

Modern megafactories, such as in the automotive industry, are increasingly deploying fiber lasers with power ratings of 15 kW or more, driving the demand for durable laser optics used in high power laser processing heads and beam delivery systems. II-VI’s metal mirrors feature precision dielectric coatings deposited by ion beam sputtering (IBS) that can achieve long-lasting durability at very high optical powers in industrial laser systems, such as those designed to cut, drill, braze, or weld metals.

“Industrial laser manufacturers rely on II-VI to drive innovation in high power laser optics to enable them to deliver their next generation of faster and higher power laser systems,” said Stacey Armagost, Vice President of Strategic Marketing, II-VI Laser Solutions. “Since we announced our IBS coating capability in 2014, we have been advancing the technology of high durability coatings on copper, aluminum, nickel-plated, and brass-plated mirrors. These coatings are also well suited for demanding deformable mirror applications.”

II-VI’s broad portfolio of laser optics is one of the largest and most advanced in the industry, leveraging deep expertise in diamond turning technology, magnetorheological finishing, and IBS coatings. II-VI offers beam shaping laser optics including Bessel focus lenses, facetted integrators, vortex lenses, flat-top converters, biconic lenses, axicons, dual-focus lenses, and other freeform designs. II-VI also offers turnkey capabilities in optical design, fabrication, thin-film coatings, and metrology.

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