The SLB-40B-40NIR1 is a high-quality double-concave lens, boasting a diameter of 40.0 mm and a focal length of -39.7 mm. This lens is sourced from OptoSigma, a renowned vendor known for its precision optical components.
The lens is made from n-bk7 schott, a popular material in the optical industry due to its excellent optical properties. The base shape of the lens is circular, and it features a spherical geometry, with inner and outer radii of 0 mm each. The lens has a thickness of 12.3 mm at the edge and 2 mm at the center.
The SLB-40B-40NIR1 is coated with opt ir1 on both the front and back surfaces, providing enhanced performance in the wavelength range of 633-1064nm. This coating ensures that the lens delivers superior light transmission and reduces unwanted reflections, making it ideal for a wide range of applications.