39-440 50.8 mm Dia. Zinc Selenide Protective Flat Window; t=1mm BBAR 8-12µm

This 39-440 Zinc Selenide (ZnSe) Protective Flat Window, offered by Edmund Optics, is a circular window with a diameter of 50.8 mm and a thickness of 1 mm. The window is made of ZnSe material, specifically identified as "znse connolly" in the item data.

The window features a Broadband Anti-Reflective (BBAR) coating on both the front and back surfaces, designed to minimize reflection and optimize transmission in the 8-12 µm wavelength range. This coating, identified as "edm dbbarl znse 812" in the item data, is specifically tailored to the ZnSe material and the specified wavelength range.

The window is designed in a Thin Lens shape, which may provide additional benefits depending on the specific application. The window is currently in stock and available for purchase through the provided weblink.