This is a 76.2 mm diameter Germanium Plano-Convex lens, offered by Alkor Technologies. The lens is uncoated and has an effective focal length (EFL) of 150mm. The lens is designed for use with a wavelength of 10600nm.
The lens has a base shape of circular and features a spherical geometry. The thickness at the edge of the lens is 3.1mm, while the thickness at the center is 4.7mm. The lens does not have any inner or outer radius specified, indicating a uniform curvature.
The lens is made of Germanium burnett, a specific type of germanium known for its optical properties. The material is often used in infrared optics due to its high refractive index and transparency in the infrared spectrum.
The lens is sourced from Alkor Technologies, a reputable vendor known for their extensive catalog of optical elements. The vendor's website indicates that the lens is currently in stock, ensuring quick delivery for your optical needs.
For more information, you can refer to the vendor's website at http://www.alkor.net/germanium_lenses.html.