This is a G052201329 6 mm Dia. N-BAK4 Mounted Double-Convex Lens, designed with an effective focal length (EFL) of 5mm for the wavelength of 1064nm. The lens is sourced from Qioptiq Photonics, a renowned vendor in the field of precision optics.
The lens is of the Spherical type, specifically a Spherical Lens (Convex-Convex) with a base shape of Circular. It has a diameter of 6mm, with a center thickness of 2.9mm and an edge thickness of 0.9mm. The first radius of curvature (r1) is 5.085, while the second radius of curvature (r2) is -5.085. The lens does not have an inner or outer radius.
The lens is made of N-BAK4 Schott, a high-quality optical material known for its excellent transmission properties and low auto-fluorescence. The lens is coated with Qio HP Nbar Arhs-Yag on both the front and back surfaces, providing enhanced durability and improved performance.
The lens is currently in stock and available for purchase on the Qioptiq Photonics website. For more information, users can refer to the provided weblink.