SLB-20-100NIR2 20.0 mm Dia. x -100.0 mm FL; Coated; Plano-Concave Lens 750-1550nm

The SLB-20-100NIR2 is a Plano-Concave Spherical Lens, offered by OptoSigma, with a diameter of 20.0 mm and a focal length of -100.0 mm. This lens is designed for use within the wavelength range of 750-1550nm, making it suitable for near-infrared applications.

The lens is made from n-BK7 Schott, a popular optical glass due to its excellent optical properties and relatively low cost. The lens has a thickness of 3mm at the edge and 2mm at the center, providing a robust structure while maintaining a sleek profile.

The lens features a front and back coating of Opt IR2, a broadband anti-reflection coating designed for the near-infrared region. This coating reduces surface reflections, enhancing the transmission of light through the lens and improving overall system performance.

The lens's geometry includes an inner radius of 0mm and an outer radius of 0mm, indicating a simple, straightforward design. The base shape is circular, allowing for versatile application in various optical systems.

Please note that the web link provided leads to the product page on OptoSigma's website, where you can find more information and check the current availability of the SLB-20-100NIR2.