Request InfoResearch Electro-Optics Inc. (REO)REO has introduced a line of silicon polarizing beamsplitter cubes for operation in the mid-infrared spectral range. The optics offer a mix of 2- to 6-µm-bandwidth operation, a high laser damage threshold, transmission of >95% and an extinction ratio of >100,000:1. The extinction ratio can be extended to >1,000,000:1 over narrower spectral ranges. The polarizing beamsplitter cubes are available in sizes from 1 to 75 mm. 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