Polarizing Beam Splitter Film splits light into two beams by polarization, reflecting s-polarized light and transmitting p-polarized light via thin-film interference. It offers high extinction ratio and low loss, ideal for optical communication, lasers, 3D displays, and microscopy. Supporting various wavelengths and angles, it’s a key component for precise polarization-controlled beam splitting in advanced optical systems.
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PBSPolarizing beam splitter film is an optical functional coating designed via multi-layer dielectric interference, using periodic stacks of high/low refractive index materials (e.g., Ta₂O₅/SiO₂) to efficiently reflect s-polarized light and transmit p-polarized light, with typical extinction ratios over 10⁴:1. Prepared by ion beam sputtering, it offers broad-band adaptability and high laser damage threshold, widely used in polarization interferometers, LiDAR polarization detection, and quantum communication systems as core components for polarization state separation.
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