48-390 12.5 x 17.5 mm 30:70 (R:T) N-BK7 Plate Beamsplitter; t=3mm VIS 400-700nm

This 48-390 Beam Splitter, sourced from Edmund Optics, is a high-quality optical element designed for precise beam manipulation. Its rectangular shape, with dimensions of 12.5 x 17.5 mm, makes it suitable for a wide range of applications. The beamsplitter is 3mm thick, providing robustness and stability.

The beamsplitter is made of N-BK7, a popular optical glass known for its excellent optical properties. This material is especially suitable for applications in the visible spectrum, as indicated by the VIS 400-700nm wavelength specification. The beamsplitter's coating, edm 48-388, is applied to the front surface, contributing to its specific reflectance and transmittance characteristics.

The beamsplitter's physical data indicates a reflection of 30% and transmission of 70% for the front-coated surface. This 30:70 (R:T) ratio makes it ideal for applications where a balance between reflected and transmitted light is required. The beamsplitter's thin lens shape further enhances its functionality and compatibility with various optical systems.

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