This is a Plano-Convex Lens, sourced from the renowned optical component vendor, Edmund Optics. The lens is designed for use in the Near-Infrared II (NIR II) spectrum, specifically for wavelengths between 750nm and 1550nm.
The lens has a circular base shape with a diameter of 18.0mm and a thickness of 1.65mm at the edge, increasing to 5.3mm at the center. The effective focal length (EFL) of the lens is 25.0mm, making it suitable for a variety of optical applications. The lens's front radius of curvature (R1) is 12.92mm, and the back focal length (BFL) is 21.51mm.
The lens is made from N-BK7 Schott, a popular optical glass due to its excellent optical properties and wide transparency range. The lens is coated with Edmund Optics' standard NIR-II coating on both the front and back surfaces, ensuring optimal performance in the NIR II spectrum.
This lens is currently in stock and available for immediate purchase. For more information, including detailed specifications and purchasing options, please refer to the provided web link.