This 01-913-522 optical component, sourced from Edmund Optics, is a 25.40 mm diameter Protected Aluminum Flat Mirror. The mirror's base shape is circular, and it has a thickness of 12.7 mm, making it suitable for various optical applications.
The mirror is made of fused silica, a material with the Material ID fused sil mal-1965. This material is known for its excellent optical properties, including high transparency and resistance to thermal shock. The mirror's coating is a front-side coating, specifically edm dprotal300200000, which is a Protected Aluminum coating designed for use in the wavelength range of 400-2000nm.
The mirror's geometry is that of a Thin Lens, which is a lens with a thickness much less than its diameter. This geometry is often used in optical systems where the lens's thickness does not significantly affect the optical path.
According to the vendor's website, this item is currently in stock, and you can find more information about it at https://www.edmundoptics.com/p/1quot-dia-protected-aluminum-lambda10-flat-fused-silica/22/.