Request InfoHighest Extinction RatioRainbow Research Optics LLCDENVER, Colo., July 22 -- Rainbow Research Optics Inc.'s high-power polarizing beamsplitter cubes have an extinction ratio greater than 1000:1, with Tp > 98 percent, for a 60-nm bandwidth in the near-infrared and high-damage thresholds of > 10J/cm². The company can create polarizing beamsplitter cubes that are either optically contacted or cemented, depending on damage threshold requirements. Custom and stock items including wave plates, beamsplitters, lenses, mirrors and windows ranging from 0.2 to 12 inches in diameter are also available. 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