Thorlabs offers a wide variety of plate beamsplitters: UV Fused Silica (250 - 1700 nm), IR Fused Silica (900 - 2600 nm), Calcium Fluoride (1 - 8 µm), and Zinc Selenide (1 - 14 µm), covering the UV-MIR wavelength range. UV fused silica beamsplitter compensation plates are also available. We also offer beamsplitters for use with Nd:YAG wavelengths (1064 nm and 532 nm).