This is a 5.0mm diameter, plano-convex spherical lens, designed for use with a 405nm wavelength. The lens is sourced from Edmund Optics, a reputable vendor in the optical industry. It boasts a 20.0mm focal length, making it suitable for a wide range of applications that require precise focusing.
The lens is made from n-BK7 Schott, a high-quality optical glass known for its excellent transparency and low auto-fluorescence. This makes it an ideal choice for laser applications. The lens has a center thickness of 1.5mm and an edge thickness of 1.19mm, providing a robust structure while maintaining a slim profile.
The lens features a V-coat coating on both the front and back surfaces, specifically designed for 405nm lasers. This coating enhances the lens's performance by reducing surface reflections and improving transmission. The coating is applied using Edmund Optics' advanced laser vapor deposition technology, ensuring a high-quality, durable finish.