40Z40ER.4 101.6 mm Dia. Zerodur Broadband Metallic Mirror; t=17.7mm Protected Gold 650-20000nm

The 40Z40ER.4 is a high-quality metallic mirror, boasting a broadband coating suitable for a wide range of applications. Sourced from the reputable vendor MKS/Newport, this mirror is designed with a circular geometry, featuring a diameter of 101.6 mm and a thickness of 17.7 mm.

The mirror's base material is Zerodur from Schott, a unique glass-ceramic material renowned for its excellent thermal stability and low thermal expansion coefficient. This makes the 40Z40ER.4 an ideal choice for applications requiring precise optical alignment and minimal thermal distortion.

The mirror's coating is a new ER.4 coating, which is a protected gold coating designed for use in the 650-20000 nm wavelength range. This broadband coating ensures high reflectivity across a wide spectrum, making it suitable for various applications, including but not limited to, beam combining, laser systems, and interferometry.

The 40Z40ER.4 is available for purchase directly from the vendor's website, and the link provided indicates that it is currently in stock. With its superior materials, broadband coating, and precise geometry, this mirror is a reliable and versatile choice for a wide range of optical applications.