The SLB-40B-80PIR2 is a spherical lens with a base shape of a circle, offering a diameter of 40.0 mm and a focal length of 81.2 mm. This lens is sourced from OptoSigma, a reputable vendor in the optical industry. The lens is made of n-bk7 schott, a high-quality optical glass, and features a double-convex geometry, with radii of curvature of 83.04 mm for both the front and back surfaces.
The lens has a thickness of 2.0 mm at the edge and 6.9 mm at the center, providing a robust structure. The back focal length (BFL) is 78.8 mm, and the effective focal length (EFL) is 81.2 mm. The lens is coated with opt ir2 on both the front and back surfaces, enhancing its performance in the 750-1550nm wavelength range.
This lens is ideal for applications that require a broad wavelength range and high-quality imaging, such as infrared spectroscopy, beam shaping, and optical fiber coupling. With its robust construction, high-quality materials, and advanced coating, the SLB-40B-80PIR2 is a reliable choice for various optical systems.