WHP4000 40 mm Dia. Schott Borofloat 33 Round Window; t=3mm Uncoated

The WHP4000 is a 40 mm diameter flat window made from Schott Borofloat 33, a type of borosilicate glass known for its excellent thermal shock resistance and chemical durability. This round window, with a thickness of 3 mm, is uncoated, offering users a bare, high-quality glass surface.

Knight Optical, a reputable vendor in the optical industry, supplies this window. According to the vendor's information, the window is in stock and available for immediate purchase, as indicated by its weblink status. Users can access the product page directly for more information and specifications.

The window features a circular geometry with a 40 mm diameter, making it suitable for applications requiring a large aperture while maintaining a relatively thin profile. Its shape is that of a thin lens, allowing for easy integration into various optical systems.

The window's material ID is borofloat33, specifying the exact type of borosilicate glass used in its construction. This information is essential for users looking for components with specific material properties, such as a low coefficient of thermal expansion or high transmittance in various wavelength regions.

The wavelength provided, 633 nm, might be the central or dominant wavelength for the window's intended application. However, without additional context, it is difficult to determine its exact significance. Nonetheless, users can infer that this window is suitable for use in optical systems operating in the visible spectrum.