87-665 50 mm Dia. N-BK7 Plano-Convex Spherical Mirror; EFL=400mm Protected Aluminum 400-700nm

The 87-665 is a 50 mm diameter Plano-Convex Spherical Mirror, sourced from the renowned optical components vendor, Edmund Optics. This mirror is designed for use in a wide range of optical systems, offering a focal length of 400mm and a protective aluminum coating suitable for wavelengths between 400-700nm.

The mirror's geometry is characterized by a convex shape, with a base shape of a circle. The edge thickness measures 4.61mm, while the center thickness is 5mm, providing robustness and stability. The mirror's effective focal length (EFL) is 400mm, making it suitable for applications requiring long focal lengths.

The mirror is crafted from N-BK7 Schott glass, a popular choice in the optical industry due to its excellent optical properties and high damage threshold. This material is known for its low auto-fluorescence, making it ideal for use in laser applications.

The mirror's coating is a protected aluminum coating, identified as EDM DPROTAL300200000. This coating provides high reflectivity and durability, enhancing the mirror's lifespan and performance. The coating is designed to protect the mirror from environmental factors, ensuring optimal performance even in challenging conditions.