The 88-900-INK is a Plano-Convex lens, a type of spherical lens, sourced from Edmund Optics. This lens, with a diameter of 25.4mm, is designed for use in the visible light spectrum, specifically at a wavelength of 587.6nm. The lens features a front and back coating of YAG-BBAR, a type of coating that enhances its performance in the 500-1100nm range.
The lens has a thickness of 2.19mm at the edge and 4.75mm at the center, with an effective focal length (EFL) of 63.5mm. The radius of curvature for the first surface (R1) is 32.82mm, and the back focal length (BFL) is 60.37mm. The lens is made of n-BK7 Schott, a popular optical glass due to its excellent optical properties and relatively low cost.
The YAG-BBAR coating on the lens enhances its durability and performance in demanding environments. This coating is designed to provide high transmission and low reflectance over a broad range of wavelengths, making it suitable for a variety of applications.