The LC5401-E is a Spherical Lens with a Plano-Concave base shape and a circular design, sourced from the reputable vendor Thorlabs. This lens boasts a diameter of 25.4 mm and a center thickness of 2.5 mm. The effective focal length (EFL) is -75 mm, making it suitable for a variety of applications.
The lens is constructed from CaF2 (Calcium Fluoride) material, identified as "caf2 mal-1963" in the Material ID. This material is known for its excellent transparency in the ultraviolet, visible, and near-infrared spectral regions.
The LC5401-E is coated with AR coatings on both the front and back surfaces, specifically "tho ecaf2arc20005000". These coatings are designed to reduce reflection and increase transmission, thereby enhancing the lens's performance.
The lens is designed to operate at a wavelength of 588 nm. It is currently in stock and available for immediate purchase, as indicated by its weblink status. For more detailed information, please refer to the vendor's website at https://www.thorlabs.com/thorproduct.cfm?partnumber=LC5401-E.