This is a Plano-Convex Lens, sourced from MKS/Newport, designed for use within the infrared spectrum, specifically between 1000nm and 1550nm. The lens has a base shape of a circle, with a diameter of 25.4mm, making it suitable for a wide range of optical applications.
The lens has a thickness of 3mm at the edge and 4.392mm at the center, providing a robust structure while maintaining a low profile. The effective focal length (EFL) of this lens is 113mm, which, combined with its diameter, allows for a wide field of view. The front and back surfaces of the lens are coated with AR-18, a proprietary anti-reflective coating from Newport, which enhances its performance in the infrared spectrum.
The lens is made from N-BK7 Schott, a high-quality optical glass known for its excellent transmission properties and low auto-fluorescence. The inner radius of the lens is 0mm, indicating a plano surface on one side and a curved surface on the other. This design is often used to minimize spherical aberration, ensuring high-quality imaging.