40D20ER.4 101.6 mm Dia. Borofloat Broadband Metallic Mirror; t=17.7mm Protected Gold 650-20000nm

This is a 40D20ER.4 metallic mirror, sourced from the reputable vendor MKS/Newport. The mirror boasts a broadband coating, suitable for a wide range of wavelengths from 650nm to 20000nm, making it a versatile choice for various optical applications.

The mirror is circular in shape, with a generous diameter of 101.6mm, providing a substantial surface area for light reflection. It has a thickness of 17.7mm, offering a robust and stable platform for optical systems. The mirror is made of borofloat33, a high-quality glass material known for its excellent optical properties and durability.

The front surface of the mirror is coated with New ER.4, a protected gold coating that enhances its reflectivity and durability. This coating is designed to withstand the rigors of regular use, ensuring the mirror maintains its performance over time.

The mirror is classified as a thin lens, suggesting a high degree of precision in its manufacture. This makes it an ideal component for applications that require high-quality, reliable optical performance.

For more information, including availability and pricing, please refer to the vendor's website at https://www.newport.com/p/40D20ER.4. The website indicates that the mirror is currently in stock, ensuring quick delivery for your optical project needs.