This is a G063033329 18 mm Dia. N-BK7 Mounted Double-Convex Lens, designed with an effective focal length (EFL) of 16mm for a wavelength of 1064nm. The lens is sourced from Qioptiq Photonics, a reputable vendor known for precision optics.
The lens is of the Spherical type, specifically a Symmetric-convex lens, with a base shape of Circular. It has a diameter of 18mm, with a center thickness of 7mm and an edge thickness of 1.1mm. The lens's first radius of curvature (r1) is 15.179mm, and the second radius (r2) is -15.179mm, indicating a double-convex design.
The lens is made from N-BK7 Schott, a popular optical glass due to its excellent optical properties and wide transparency range. The lens is coated with Qio HP Nbar ARHS-YAG on both the front and back surfaces, providing anti-reflective properties and increasing its overall durability.
This lens is currently in stock and can be purchased directly from the vendor's website. The provided weblink leads to the product page for easy access.