The BSW23 is a beam splitter (BS) offered by Thorlabs, designed with a circular base shape and a diameter of 1 inch (25.4 mm). This thin BS boasts a thickness of 5 mm, making it a suitable choice for various optical applications. The material used for this component is UV fused silica, identified as "uvfs mal- 1965" in the item data.
This beam splitter is designed to operate at a wavelength of 633 nm, and its coating is specifically tailored for the infrared (IR) region, with a coating range of 0.9 to 2.6 µm on the front side. The coating type is "tho 50 uv bs 9002600", which results in a 50:50 reflection-to-transmission ratio. In other words, the BS reflection is 0.5, and the BS transmission is also 0.5, ensuring a balanced split of the incident light.
The BSW23 is available from the vendor Thorlabs and can be found on their official website with the part number "BSW23". According to the item data, this beam splitter is currently in stock, indicated by the "weblink status" of "Valid - in stock". With its specifications and availability, the BSW23 is an excellent option for those in need of a reliable and high-performing beam splitter for their optical systems.