BST04 Dia:0.5in 70:30 (R:T) UVFS Plate Beamsplitter; Coating: 400-700nm; t=3 mm

The BST04 Dia:0.5in 70:30 (R:T) UVFS Plate Beamsplitter is a high-quality optical component sourced from Thorlabs. This beamsplitter is designed with a circular geometry, featuring a diameter of 12.7 mm and a thickness of 3 mm, making it suitable for a wide range of optical applications.

The beamsplitter is made from UVFS material, identified as MAL-1965 in the Thorlabs material database. It is coated with a 70:30 (R:T) coating, specifically designed for the wavelength of 633 nm. The coating, referred to as tho 7030uvbs400700, ensures a balance between reflection and transmission, with 70% reflection and 30% transmission at the specified wavelength.

This beamsplitter is classified as a Thin BS, indicating its thin lens shape. The physical data provided shows that the beamsplitter has a reflection of 0.7 and a transmission of 0.3, aligning with the properties of the coating.

The beamsplitter is currently in stock and available for purchase. For more detailed information, please refer to the vendor's website through the provided weblink: https://www.thorlabs.com/thorproduct.cfm?partnumber=BST04.