TFA-25C05-4 25 mm Dia. N-BK7 Flat Aluminum Mirror λ/4; t=5mm by OptoSigma

OptoSigma presents the TFA-25C05-4, a high-quality 25 mm diameter N-BK7 flat aluminum mirror with a thickness of 5mm and a λ/4 coating. This metallic mirror is designed to deliver exceptional performance and is suitable for a wide range of applications.

The mirror boasts a circular base shape and a thin lens design, ensuring easy integration into various optical systems. Its N-BK7 substrate, sourced from Schott, is a well-known borosilicate crown glass, known for its excellent optical properties and low auto-fluorescence. The mirror's 25 mm diameter provides a generous aperture, allowing for efficient light collection and transmission.

The TFA-25C05-4 features a front-side metallic coating of aluminum with a magnesium fluoride protective layer (opt tfa al mgf2 45). This coating enhances the mirror's reflectivity in the visible spectrum and safeguards the aluminum layer against oxidation and wear, ensuring long-term durability and stability. The λ/4 coating guarantees minimal phase shift and near-zero reflectance at the design wavelength of 588 nm.

OptoSigma's TFA-25C05-4 mirror is currently in stock and available for purchase through their official website. With its reliable performance, versatile design, and high-quality construction, this mirror is an excellent choice for researchers, engineers, and optical designers seeking a dependable and efficient optical component.