This is a Si-px-25.4-100 25.4 mm Dia. Silicon Plano-Convex Lens, sourced from Alkor Technologies. The lens is uncoated and features a spherical shape, designed for use in optical systems that require a focal length of 100mm.
The lens has a base shape of a circle, with a diameter of 25.4mm. The edge thickness of the lens is 2mm, while the center thickness is slightly more at 2.3mm. The lens's inner and outer radii are both zero, indicating a plano-convex design.
The lens is made from silicon, specifically silicon sal vil 1957, and is suitable for use with a wavelength of 10600nm. The lens's effective focal length (EFL) is 100mm, making it suitable for a variety of optical applications.
The lens's geometry and material make it suitable for use in high-precision optical systems. The uncoated design allows for custom coating options to suit specific application needs.
Please note that the vendor, Alkor Technologies, lists this item as in stock on their website. For more information, please refer to the provided weblink.