68-503 40 mm Dia. Zinc Selenide Protective Flat Window; t=4mm BBAR 8-12µm

This 68-503 Zinc Selenide (ZnSe) Protective Flat Window, offered by Edmund Optics, is a high-quality optical component designed for a wide range of applications. The window boasts a diameter of 40 mm and a thickness of 4 mm, providing a robust and durable platform for various optical systems.

The window is made from ZnSe, a material known for its excellent optical properties, including high transparency in the infrared region, making it ideal for applications such as thermal imaging and spectroscopy. The window's flat design ensures minimal distortion, providing clear and accurate optical transmission.

The window features a Broadband Anti-Reflection (BBAR) coating on both the front and back surfaces. This coating, designed for the 8-12 µm wavelength range, significantly reduces reflection, thereby enhancing transmission and improving overall system performance. The BBAR coating ensures high-quality image transmission, making it suitable for use in demanding optical systems.

The window is shaped as a thin lens, which can be beneficial in certain applications where compactness and light weight are critical. Despite its thin design, the window maintains its structural integrity and optical performance, making it a reliable choice for various applications.