ZnSe Infrared Beamsplitters

Spectral Systems is the world’s leading manufacturer of FT-IR Beamsplitter components and sub-assemblies. All of our beamsplitter coatings are designed to provide the highest performance and exceptional spectral purity. In addition, our beamsplitter products cover from the vacuum UV through the far-IR spectral region. Most of the beamsplitters we manufacture are proprietary designs for our customers. We also offer generic versions for fast integration into your design and manufacturing research and developments.

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  • ZnSe Infrared Beamsplitters

    Zinc selenide (ZnSe) has become the most commonly used material for extreme environment and rugged sampling applications.  Reflective losses due to its high refractive index can be reduced to near zero with the use of our Photon Pro™ coating. In fact, the reflective losses can be reduced to less than that of KBr.  Thus, when operations in tough environments are required and the low frequency ZnSe bulk material limit of 600 cm-1 is acceptable, our Photon Pro coating for our ZnSe beamsplitters provides performance improvements over KBr!

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