The LA4936-1550 is a plano-convex lens with a diameter of 12.7 mm, designed for use in the 1550 nm wavelength range. This lens is sourced from Thorlabs, a reputable vendor known for its high-quality optical components. The lens is made from UVFS material, which is specifically designed for use in the ultraviolet to shortwave infrared spectrum.
The lens has an effective focal length (EFL) of 30.1 mm, providing a moderate level of magnification. The plano-convex design features a flat front surface and a curved back surface with a radius of curvature of 13.8 mm. This design is often used to minimize spherical aberration, ensuring that the lens produces a clear, focused image.
The LA4936-1550 is coated with Thorlabs' V-AR coating, which is designed to reduce reflection and increase transmission in the 1550 nm range. This coating is applied to both the front and back surfaces of the lens, further enhancing its performance in this wavelength range.
The lens has a thickness of 1.9 mm at the edge and 3.4 mm at the center. This asymmetry is a common feature of plano-convex lenses, which are often designed to be thin to minimize weight and cost. Despite its thinness, the lens is robust and durable, making it suitable for a wide range of applications.