65-875 25 mm Dia. UVFS Round Protective Flat Window; t=3 mm UV-AR 250-425nm

The 65-875 is a 25 mm diameter, 3 mm thick flat window made from UVFS material with a standard UV-AR coating on both the front and back surfaces. This window is designed to protect optical components from environmental hazards while minimizing unwanted reflections and maintaining high transmission in the UV-AR spectral range of 250-425 nm.

The UVFS material, also known as UV-grade fused silica, is a high-purity silica glass with excellent transmission and low autofluorescence in the deep UV range. It is an ideal material for applications that require high-performance optical components, such as UV spectroscopy, beam delivery systems, and laser-based applications.

The window features a standard UV-AR coating, which is designed to provide high transmission (>99%) and low reflectance (<1%) in the UV-AR spectral range. This coating is applied to both the front and back surfaces of the window, ensuring optimal performance and durability.

The window has a circular geometry with a diameter of 25 mm and a thickness of 3 mm. It is designed as a thin lens, which provides excellent optical performance while minimizing weight and thickness. The window is available from Edmund Optics and is currently in stock, making it an ideal choice for users who need a reliable and high-performance optical component with short lead times.