This is a 14OAP-3-88.9-90-GM Off-Axis Parabolic Mirror, sourced from the reputable vendor Standa. The mirror boasts a diameter of 76.2 mm and a clear aperture of 88.9 mm, making it suitable for a wide range of optical applications. The mirror's off-axis design, with an alpha angle of 1.5707963267948966 radians (approximately 90 degrees), allows for superior optical performance in off-axis applications, reducing spherical and coma aberrations.
The mirror's effective focal length (EFL) is 177.8 mm, providing a long focal length that can be beneficial in various optical systems. The mirror is made from n-bk7 Schott glass, a high-quality material known for its excellent optical properties and durability.
The mirror's front surface is coated with sta prot gold, a protected gold coating that offers high reflectivity across a wide spectrum, typically from 400 nm to 700 nm, making it ideal for use in visible light applications. This coating also provides excellent resistance to environmental factors, ensuring the mirror's longevity and performance.
For more information about this product, please refer to the vendor's website at http://www.standaphotonics.com/off-axis-mirrors/off-axis-parabolic-mirrors.php. The link has been verified and the product is currently in stock, ensuring quick delivery upon purchase.