The LC4513-B is a plano-concave lens with a diameter of 25.4 mm, making it suitable for a wide range of optical applications. This lens is sourced from Thorlabs, a reputable vendor known for its high-quality optical components. The lens features an effective focal length (EFL) of -75mm, which is typical for plano-concave lenses and contributes to its unique optical properties.
The lens is designed to work within the wavelength range of 650-1050nm, making it suitable for near-infrared (NIR) applications. The lens is made from UVFS material with the Mal-1965 index, which is known for its excellent optical properties in the specified wavelength range.
The lens's geometry includes a center thickness of 3.5mm, which is typical for lenses of this type. The lens's front and back surfaces are coated with Thorlabs BBAR coating, which is designed to reduce reflection and increase transmission, thereby enhancing the lens's performance in its intended application.