Request InfoLaser Research OpticsLaser Research Optics has introduced a line of molybdenum mirrors, silicon and copper phase retardation reflectors, and zero phase reflectors for use with 10.6-µm CO2 lasers. The mirrors are intrinsically hard and exhibit an average reflectance of >98.1% at 10.6 µm. The phase retardation reflectors feature a l/4 phase reflectance thin- film coating that converts the linearly polarized laser beam into a circular beam. 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