LC1254 N-BK7 Plano-Concave Lens; Dia:25 mm; f=-100.0 mm Uncoated

The LC1254 N-BK7 Plano-Concave 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 25 mm, is designed for use in a wide range of optical systems, offering excellent performance and reliability.

The lens is made from N-BK7, a popular glass type known for its excellent optical properties. This material, also known as Schott glass, is widely used in various optical applications due to its low dispersion and high transmission in the visible spectrum. The N-BK7 designation indicates that this lens is made from a high-quality, precision-ground glass, ensuring optimal performance.

The lens features a plano-concave geometry, meaning one side is flat (plano) while the other side is curved inward (concave). This design is often used to diverge or spread out light, making it ideal for use in applications such as beam expansion or collimation. The lens has a focal length of -100.0 mm, indicating its strong diverging power.

The lens has a clear aperture of 25 mm, providing a generous opening for light to pass through. The edge thickness of the lens is 5.5 mm, while the center thickness is 4 mm. This lens is uncoated, meaning it does not have any additional layers applied to its surface to alter its optical properties.

The lens is designed to work with a wavelength of 632.8 nm, a common wavelength used in many optical systems. It is shaped spherically, a common and versatile shape in optical design.