The WQK4000-AV2 is a precision round window, boasting a diameter of 40 mm and a thickness of 6 mm. This window is crafted from N-BK7, a high-quality borosilicate glass manufactured by Schott. N-BK7 is renowned for its excellent optical properties, making it a popular choice for various optical applications.
This window features an anti-reflective (AR) coating, specifically designed for the extended visible spectrum, ranging from 450 to 900 nm. The AR coating, known as KNI AV2, is applied to both the front and back surfaces of the window. This coating significantly reduces reflective losses, enhancing the overall transmission of light through the window.
The WQK4000-AV2 is available from Knight Optical, a reputable vendor known for its high-quality optical components. According to the vendor's information, this item is currently in stock, ensuring quick delivery for your optical project needs.