
This is a 38.1 mm diameter Silicon Plano-Convex lens, sourced from Alkor Technologies. The lens is uncoated and has an effective focal length (EFL) of 254mm. The lens is spherical in shape, with a base shape of circular.
The lens has a thickness of 2mm at the edge and 2.3mm at the center. The inner and outer radii are both 0, indicating a plano-convex lens. The material ID for this lens is "silicon sal vil 1957".
This lens is designed to operate at a wavelength of 10600nm. The lens data is currently valid and in stock, according to the vendor's website.
Please note that this lens is uncoated, which may affect its performance in certain applications. It is always recommended to check the specific requirements of your application before selecting an optical element.