TFA-20S03-4 20 x 20 mm N-BK7 Aluminum Flat Mirror λ/4; t=3mm

OptoSigma offers the TFA-20S03-4, a 20 x 20 mm N-BK7 aluminum flat mirror with a thickness of 3mm and a λ/4 (quarter-wave) coating. This mirror is designed for use in various optical systems and applications, providing high-quality reflective performance.

The mirror features a rectangular base shape, with dimensions of 20 x 20 mm, and is made from N-BK7 glass, a popular material in the optical industry due to its excellent optical properties. The N-BK7 Schott material ID ensures compatibility with other optical components and systems that use this glass type.

The TFA-20S03-4 mirror's coating is a front-side aluminum coating with a magnesium fluoride (MgF2) protective layer, designated as "opt tfa al mgf2 45". This coating enhances the mirror's reflectivity, making it suitable for various wavelengths, including the specified 588 nm. The magnesium fluoride protective layer further increases the mirror's durability and resistance to environmental factors, ensuring long-lasting performance.

The mirror's thin lens shape and 3mm thickness provide versatility and ease of integration into various optical setups. Users can find more information, including pricing and availability, on the OptoSigma website using the provided weblink.