LA1258-C N-BK7 Plano-Convex Lens; Dia:1 in; f=2000.0 mm ARC 1050-1700nm

The LA1258-C N-BK7 Plano-Convex Lens is a high-quality optical component sourced from Thorlabs, a leading vendor in the field of precision photonics. This lens, with a diameter of 1 inch, is designed for use in the 1050-1700nm wavelength range, making it suitable for a wide range of applications in infrared spectroscopy, laser systems, and optical imaging.

The lens features a plano-convex geometry, meaning one side is flat (plano) and the other is curved (convex). This design allows for efficient light collection and focusing, making it ideal for use as a focusing or collimating element in optical systems. The lens has a focal length of 2000mm, as indicated by the 'f=2000.0 mm' parameter, which determines the distance at which the lens will focus light to a point.

The lens is made from N-BK7, a type of borosilicate glass known for its excellent optical properties. This material has a high refractive index and low dispersion, which helps to minimize chromatic aberration, a common issue in optical systems where different colors of light are focused at different points.

The lens surfaces are coated with a broadband anti-reflection coating, denoted by 'tho c bbar', which is designed to reduce surface reflections and increase transmission in the 1050-1700nm wavelength range. This coating helps to improve the overall efficiency of the lens and reduces the likelihood of unwanted reflections that could interfere with the operation of the optical system.