OptoSigma presents the SLB-40B-200PIR2, a 40.0 mm diameter biconvex lens with a focal length of 200.6 mm, specifically designed for use within the wavelength range of 750-1550 nm. This lens boasts a high-quality n-BK7 Schott material, renowned for its excellent homogeneity and low optical dispersion, making it an ideal choice for various optical applications.
The lens features a double-convex geometry, with radii of curvature measuring 207.6 mm on the front surface and -207.6 mm on the back surface. This geometry ensures optimal light transmission and focusing, generating sharp images with minimal aberrations. The lens has a central thickness of 3.9 mm and an edge thickness of 2 mm, contributing to its robustness and overall structural integrity.
A significant advantage of the SLB-40B-200PIR2 is its broadband anti-reflection coating, applied to both the front and back surfaces using the Opt IR2 coating. This coating significantly reduces surface reflections, minimizing signal loss and increasing overall transmission efficiency. The coating is optimized for the 750-1550 nm wavelength range, ensuring optimal performance across various applications.