The SLB-15-50NIR2 is a Plano-Concave Spherical Lens, 15.0 mm in diameter, with a focal length of -50.0 mm, specifically designed for use within the wavelength range of 750-1550nm. This lens is sourced from OptoSigma, a renowned vendor in the optical industry.
The lens is fabricated from n-bk7 schott, a high-quality optical glass, and features a Plano-Concave geometry. The lens's front surface is coated with opt ir2, a broadband anti-reflection coating that enhances transmission within the specified wavelength range. The back surface of the lens also features the same coating, further optimizing its performance.
The lens's geometry includes an inner radius of 0 mm and an outer radius of 0 mm, with a thickness at the edge of 3.1 mm and a thickness at the center of 2 mm. The effective focal length (EFL) is -50 mm, and the back focal length (BFL) is -51.3 mm. The radius of curvature for the first surface (R1) is -25.95 mm.
This lens is currently in stock and available for immediate purchase. For more information, including pricing and technical specifications, please refer to the vendor's website using the provided weblink.