64-091 20.0 x 20.0 mm B270 Glass Protective Flat Window; t=2 mm MgF2 400-700nm

The 64-091 is a high-quality protective flat window, designed and manufactured by Edmund Optics. This window is a rectangular, thin lens type, with a base shape that measures 20.0 x 20.0 mm, making it suitable for a wide range of optical applications.

The window is constructed from B270 Schott glass, a popular choice due to its excellent optical properties and durability. The window has a thickness of 2 mm, providing a balance between strength and light transmission.

The 64-091 is coated with MgF2 on both the front and back surfaces, following the standard curve. This coating enhances the window's performance in the 400-700nm wavelength range, reducing reflection and increasing transmission. The coating also provides excellent environmental resistance, making the window suitable for use in various conditions.

This window is currently in stock and available for immediate purchase through the Edmund Optics website. With its combination of high-quality materials, precise manufacturing, and advanced coatings, the 64-091 is an excellent choice for any application requiring a protective flat window.