69-434 10.0mm Dia. x 50.0mm FL; Plano-Convex Lens Laser V-Coat 633nm

The 69-434 is a Plano-Convex spherical lens, boasting a 10.0mm diameter and a 50.0mm focal length. This lens is sourced from Edmund Optics and is designed for use with a 633nm wavelength, making it suitable for a range of applications in the visible spectrum.

The lens is crafted from n-BK7 Schott glass, a popular choice for its high homogeneity, excellent transparency, and low auto-fluorescence. The Plano-Convex design features a flat front surface and a curved back surface, with a radius of curvature of 25.84mm. This design is often used in laser applications due to its ability to minimize spherical aberration.

The lens has an edge thickness of 2.51mm and a center thickness of 3mm, providing robustness and durability. The back focal length is 48.02mm, and the effective focal length is 50mm. The lens is coated with Edmund Optics' Laser V-Coat 633, a broadband anti-reflection coating that enhances transmission and reduces surface reflections.

This lens is a versatile and reliable choice for a variety of applications, including laser systems, interferometry, and beam shaping. With its high-quality materials, precise construction, and advanced coating, the 69-434 Plano-Convex lens is a valuable addition to any optical setup.