The BICX-FS25 is a high-precision, double-convex lens offered by WTS Photonics. This lens boasts a diameter of 38 mm and a focal length of 750 mm, making it suitable for a wide range of optical applications. The lens is uncoated, providing a cost-effective solution for users who do not require additional lens coatings.
The lens's geometry is characterized by its base shape, which is circular, and its spherical shape. The radius of curvature for the first surface (R1) is 689.5, while the radius of curvature for the second surface (R2) is -689.5. This double-convex design allows for a high level of light concentration, making it ideal for focusing applications.
The lens is made from fused silica (mal-1965), a material known for its excellent optical properties and high damage threshold. The central thickness of the lens is 3.52 mm, while the edge thickness is 3 mm. The effective focal length (EFL) is 750 mm, and the back focal length (BFL) is 748.73 mm.
This lens is designed to operate at a wavelength of 546.1 nm. It is important to note that the lens does not have any coatings, which may affect its performance in certain applications. However, its uncoated nature makes it a cost-effective solution for many optical systems.