39-243 40 mm Dia. AR Coated Sapphire Protective Flat Window

The 39-243 is a 40 mm diameter flat window made from sapphire, a highly durable and scratch-resistant material. With a thickness of 2 mm, it provides excellent impact resistance and protection for optical systems. The window features a standard MgF2 coating on both the front and back surfaces, designed to reduce reflection and enhance transmission across the 400-700 nm spectral range. This coating is part of Edmund Optics' standard curve, ensuring consistent performance and quality. The window is shaped as a thin lens, making it suitable for a wide range of optical applications. For more information, refer to the vendor's website, where the window is listed as in stock.