This is a mounted double-convex lens, supplied by Qioptiq Photonics, with a diameter of 12.5 mm and a focal length of 12.5 mm. The lens is made of N-BK7, a popular glass type in the optical industry, known for its excellent optical properties and versatility.
The lens geometry features a symmetric convex-convex design, with a thickness of 1 mm at the edge and 4.5 mm at the center. The inner and outer radii are both zero, indicating a uniform curvature throughout the lens.
The lens is coated with Qio HP Nbar ARHS-YAG on both the front and back surfaces, enhancing its performance in the 1064 nm wavelength range. This coating reduces reflection and increases transmission, making the lens suitable for high-power laser applications.
The item data also indicates that this lens is in stock and available for immediate purchase. For more information, you can refer to the vendor's website through the provided weblink.