The 39-191 is a 6.35mm diameter dielectric mirror, specifically designed for broadband use within the 400-750nm wavelength range. This mirror is sourced from the reputable optical vendor, Edmund Optics, and is currently in stock with valid weblinks provided for easy access to additional information.
The mirror's geometry is circular with a thickness of 4 units, making it a thin lens. It is made from fused silica, identified as 'fused sil mal-1965' in the material ID. The coating on the front surface is 'edm dmirror400750ave', which is specifically designed for the mentioned wavelength range.
This mirror is a versatile component, suitable for a wide range of optical applications due to its broadband capabilities. Its thin lens shape and dielectric coating ensure high reflectivity and minimal absorption or scattering, making it an ideal choice for applications that require precise light control and manipulation.