30Z20ER.4 76.2 mm Dia. Zerodur Broadband Metallic Mirror; t=14.7mm Protected Gold 650-20000nm

This is a 30Z20ER.4 metallic mirror, boasting a broadband coating suitable for a wide range of wavelengths, from 650nm to 20000nm. The mirror is sourced from the reputable vendor MKS/Newport, and its product page can be accessed at https://www.newport.com/p/30Z20ER.4. The mirror's current status is in stock, as indicated by the 'weblink status' field.

The mirror is circular in shape, with a diameter of 76.2mm and a thickness of 14.7mm. It is made of Zerodur, a material renowned for its excellent thermal stability and low coefficient of thermal expansion, making it an ideal choice for precision optical applications. The Zerodur is sourced from Schott, a leading manufacturer of specialized glass and glass-ceramic materials.

The mirror's coating is a new ER.4 coating, applied to the front surface. This coating is designed to enhance the mirror's reflectivity across the broadband spectrum. The mirror is classified as a thin lens, indicating its suitability for applications where a flat or nearly flat surface is required.