This is a 34-134 12mm Dia. x 25mm FL Fused Silica Plano-Convex Lens, designed for use with a wavelength of 1064nm and featuring a Laser V-Coat. The lens is sourced from the reputable vendor, Edmund Optics.
The lens is a Spherical Lens of the Plano-Convex type, featuring a base shape that is Circular. The geometry of the lens includes a diameter of 12mm, a thickness at the edge of 2.22mm, and a thickness at the center of 3.92mm. The Effective Focal Length (EFL) of the lens is 25mm, and the Radius of Curvature (R1) is 11.46mm. The Back Focal Length (BFL) is 22.31mm, and both the Inner and Outer Radius are 0mm.
The lens is made from Fused Silica, specifically identified as 'fused sil mal-1965' in the material database. This material is known for its excellent transparency and durability, making it suitable for a wide range of optical applications.
The lens features a Laser V-Coat on both the front and back, specifically designed for use with a wavelength of 1064nm. This coating enhances the lens' performance in laser applications, providing improved transmission and reduced reflection.