LA4745 UV Fused Silica Plano-Convex Lens; Dia:2 in; f=752.6 mm; Uncoated

The LA4745 UV Fused Silica Plano-Convex Lens is a high-quality optical component sourced from Thorlabs, a leading vendor in the field of optical equipment. This lens, with a diameter of 2 inches, is designed for use in a variety of applications that require precise optical manipulation.

The lens is spherical in shape, with a plano-convex base shape. This means that one side of the lens is flat (plano), while the other side is curved (convex). The curvature of the convex side is defined by a radius of 345.1 millimeters. The lens has a focal length of 752.6 millimeters, as indicated by the 'f=752.6 mm' in the name. This focal length, combined with the lens's diameter and curvature, determines how the lens will focus or disperse light.

The lens is made of UV Fused Silica, a material known for its high transparency in the ultraviolet region of the spectrum. This makes the LA4745 particularly suitable for applications that involve UV light. The material also has a low coefficient of thermal expansion, making it resistant to changes in temperature and thus ensuring stable optical performance.

The lens's geometry includes a thickness of 3 millimeters at the edge and 3.9 millimeters at the center. The back focal length (BFL) is 750 millimeters, and the effective focal length (EFL) is the same as the focal length, at 752.6 millimeters. The lens does not have any coating, as indicated by 'Uncoated' in the name.

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