This is a Si-px-38.1-150 38.1 mm Dia. Silicon Plano-Convex Lens, a high-quality optical component sourced from Alkor Technologies. The lens, which is uncoated, is designed with a spherical shape and a base shape of a circle. It has a diameter of 38.1 mm and a thickness at the edge of 2 mm, while the thickness at the center is 2.5 mm. The effective focal length (EFL) of this lens is 150mm, making it suitable for a wide range of optical applications.
The lens is made of silicon, specifically silicon sal vil 1957, and is designed to work with a wavelength of 10600 nm. The inner radius of the lens is 0, and the outer radius is also 0, indicating a plano-convex design. The lens's geometry is meticulously crafted to ensure high-performance optical properties.
For more information about this lens, including its availability and pricing, please refer to the vendor's website at http://www.alkor.net/silicon_lenses_pcx.html.