LA4545-UV UV Fused Silica Plano-Convex Lens; Dia:2 in; f=100.0 mm ARC 245-400nm

This LA4545-UV UV Fused Silica Plano-Convex Lens, sourced from Thorlabs, is a high-quality optical component designed for use in the ultraviolet (UV) spectrum. The lens, which has a diameter of 2 inches (50.8 mm), is specifically designed for use with wavelengths between 245 and 400 nm, making it ideal for a wide range of UV applications.

The lens features a plano-convex design, meaning one side is flat (plano) and the other is curved (convex). This design allows for efficient light collection and focusing, making it a versatile choice for many optical systems. The lens has a focal length of 100.0 mm, as indicated by the 'f=100.0 mm' in its name. This focal length, combined with the lens's diameter, determines its effective focal length (EFL), which is 92.7 mm in this case.

The lens is made from UV fused silica, a material known for its excellent transparency in the UV range. This material also has a low coefficient of thermal expansion, making it resistant to thermal shock and dimensional changes due to temperature variations. The lens has a thickness of 3 mm at the edge and 10.7 mm at the center, providing rigidity and durability.

The lens is coated with a UV ARC coating, specifically designed for the 245-400 nm range. This coating enhances the lens's transmission in the UV range and provides protection against environmental contaminants and damage. The coating is applied to both the front and back surfaces of the lens.