The SLB-50.8-90NIR2 is a Plano-Concave Spherical Lens, designed with a diameter of 50.8 mm and a focal length of -90.0 mm. This lens is sourced from OptoSigma, a renowned vendor known for their high-quality optical elements.
The lens is made from n-bk7 schott, a popular material in the optical industry due to its excellent optical properties. The lens's geometry is characterized by a thickness of 10.5 mm at the edge and 3 mm at the center, with an inner radius of 0 mm and an outer radius of 0 mm. The back focal length (BFL) is -92 mm, and the radius of curvature (R1) is -46.71 mm.
This lens is designed for use within the wavelength range of 546.1 nm. It features a coating of opt ir2 on both the front and back surfaces, enhancing its performance within the infrared spectrum, specifically between 750-1550 nm.
The lens's Plano-Concave design makes it suitable for a variety of applications, including beam expanding, collimation, and imaging. It is currently in stock and available for immediate purchase, as indicated by its valid web link status.