CAFBS11 38.1 mm Dia. 50:50 (R:T) CaF2 IR Plate Beamsplitter; t=3mm 2-8 µm

The CAFBS11 is a high-quality Beam Splitter, specifically a Thin BS, sourced from the reputable vendor MKS/Newport. This component is designed for use in infrared applications, with a wavelength of 5000 nm. The Beam Splitter features a circular geometry, with a diameter of 38.1 mm and a thickness of 3 mm, making it suitable for a wide range of optical setups.

The CAFBS11 Beam Splitter boasts a 50:50 reflection to transmission ratio, ensuring balanced light distribution. Its coating, denoted as "new caf2 bs", is applied to the front surface, further enhancing its performance in infrared applications. The coating is specifically designed to maintain the optimal balance between reflection and transmission.

The material of the Beam Splitter is Calcium Fluoride (CaF2), identified in the item data as "caf2 mal-1963". This material is known for its excellent transparency in the infrared region, making it an ideal choice for IR applications. The physical data indicates a reflection of 0.5 and a transmission of 0.5, further highlighting the balanced design of this Beam Splitter.