20Z40ER.4 50.8 mm Dia. Zerodur Broadband Metallic Mirror; t=12.7mm Protected Gold 650-20000nm

This 20Z40ER.4 mirror, sourced from MKS/Newport, boasts a 50.8 mm diameter and a thickness of 12.7 mm, making it a robust and reliable choice for various optical applications. The mirror is made of Zerodur, a high-quality glass-ceramic material renowned for its excellent thermal stability and low thermal expansion coefficient, manufactured by Schott.

The mirror's surface is coated with a protected gold coating, specifically designed for broadband use, covering the wavelength range of 650-20000 nm. This coating ensures high reflectivity and durability, making the mirror suitable for a wide range of wavelengths and applications.

The mirror's shape is that of a thin lens, which is particularly beneficial for applications requiring minimal weight and thickness. The front of the mirror features the New ER.4 coating, which is known for its excellent performance and durability.

For more information, including pricing and availability, please refer to the vendor's website at https://www.newport.com/p/20Z40ER.4. The link has been verified and indicates that the product is currently in stock.