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II-VIu2019s broad portfolio of optics is one of the largest and most advanced in the industry, leveraging deep expertise in diamond turning technology, magnetorheological finishing(MRF), and IBS coatings.Our optical coating capabilities enable our optics to withstand high energy lasers or to achieve the desired spectral characteristics across the electromagnetic spectrum from the ultraviolet to the far infrared. These innovations complement our advances in high-durability dielectric coatings on copper, aluminum, nickel-plated, and brass-plated mirrors, both rigid and deformable.II-VI offers turnkey capabilities in optical design, fabrication, thin-film coatings, and metrology. II-VI leverages these core capabilities across all our end markets to deliver miniature to large-scale precision optical assemblies, including in combination with thermal management, integrated electronics and software.