The 67-443 is a Plano-Convex lens with a diameter of 3.0mm and a focal length of 9.0mm, designed for use in the near-infrared spectrum, specifically between 750nm and 1550nm. This lens is sourced from Edmund Optics, a reputable vendor known for their high-quality optical components.
The lens is made from N-BK7 Schott, a popular glass type in optical systems due to its excellent optical properties and versatility. The lens features a spherical shape, with a front radius of curvature of 4.65mm and a back focal length of 8.01mm. The edge thickness of the lens is 1.25mm, while the center thickness is 1.5mm, providing a robust structure suitable for various applications.
The 67-443 lens comes with a standard NIR-II coating on both the front and back surfaces. This coating is specifically designed to enhance performance in the near-infrared spectrum, ensuring optimal transmission and minimal reflection within the specified wavelength range. The coating is provided by Edmund Optics, ensuring a high level of quality and consistency.