G390135322 63 mm Dia. N-BK7 Optical Flat Window; t=6mm 450-700nm

This is the G390135322 optical flat window from Qioptiq Photonics, a leading provider of precision optics. The window has a base shape of a circle with a diameter of 63 mm and a thickness of 6 mm, making it suitable for a wide range of optical applications.

The window is made from N-BK7, a popular borosilicate glass known for its excellent optical properties. This material is often used in high-precision optical systems due to its low coefficient of thermal expansion and high transmittance in the visible spectrum. The window is coated with qio bbar arb2visnbk7 on both the front and back surfaces, which enhances its durability and performance in the 450-700 nm wavelength range.

The window's geometry is defined as a thin lens, which suggests that it can also be used as a simple lens in certain applications. However, its primary function is to provide a clear, flat surface for optical systems, protecting the internal components from dust, moisture, and other environmental contaminants.

The window is currently in stock and available for purchase on the Qioptiq Photonics website. For more information, please refer to the provided weblink.