The 87-378 is a 12.5mm diameter dielectric mirror, specifically designed for broadband usage within the 750-1100nm wavelength range. This mirror is sourced from the reputable optical vendor, Edmund Optics, and is currently in stock, as indicated by its weblink status.
The mirror's geometry is circular, with a thickness of 3mm, and it is made from fused silica, identified as 'fused sil mal-1965' in the item data. The coating on the front surface of the mirror is 'edm dcurv750to11000', which is specifically designed for the mentioned wavelength range.
The mirror is shaped as a thin lens, suggesting its potential use in various optical systems where thin, lightweight elements are required. The item data also indicates that this mirror is part of the 'Mirror' category and the 'Dielectric Mirror' subtype, further emphasizing its specific optical properties.