This is a Plano-Convex Lens, sourced from the renowned optical components vendor, Edmund Optics. The lens, with a diameter of 50.0mm and a focal length of 250.0mm, is designed for use in the Near-Infrared II (NIR II) spectrum, specifically catering to the wavelength range of 750-1550nm.
The lens is made of the high-quality material, N-BK7 Schott, which is known for its excellent optical properties and durability. The lens features a spherical shape, with a front radius of curvature of 77.52mm and a back focal length of 144.07mm. The lens has an edge thickness of 4.86mm and a center thickness of 9mm, providing a robust structure suitable for various applications.
The lens is coated with the standard EDM NIR-II coating on both the front and back surfaces, ensuring optimal performance in the NIR II spectrum. This coating enhances the lens's transmission capabilities, reducing unwanted reflections and increasing the overall efficiency of the optical system.
The lens is currently in stock and available for immediate purchase through the provided web link. With its high-quality materials, precise specifications, and reliable performance, this Plano-Convex Lens is an excellent choice for any NIR II optical system.