Request InfoOptoSigma Corp.High-speed f/2 diffractive laser focusing lenses are available from OptoSigma Corp. They achieve near-diffraction-limited performance via diffractive and refractive surfaces and have l/4 wavefront at 514, 650 and 1060 nm. Both types of surfaces are antireflection coated for <0.25% reflectance per surface at the designed wavelength. The company has standard versions in stock and can produce custom wavelengths.See full productRelated content from Photonics MediaPRODUCTSPhotonics.com 3/18/2024CO2 OpticsThe CO2 Laser Lenses from Laser Research Optics are CO2 optics meant for use in the production of precision gaskets manufactured from stainless steel, phenolic, and other hard materials. 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