The 355660 4 mm Dia. D-ZLAF52LA Molded Glass Aspheric Lens is a high-quality optical component sourced from Thorlabs. This lens, with a catalog number 355660, is designed for use in systems operating at a wavelength of 1550 nm. The lens is uncoated, offering a numerical aperture (NA) of 0.52 and an effective focal length (EFL) of 3 mm.
The lens is made of D-ZLAF52LA CGDM, a molded glass material, and features a circular base shape. The lens has an outer radius of 0 mm and an inner radius of 0 mm, with a diameter of 4 mm. The edge thickness of the lens is 1.654 mm, while the center thickness is 2.5 mm.
The lens's front surface is aspheric, with a conic constant of -1.018. The front surface's aspheric coefficients are as follows: a2 is 0, a4 is -0.0049659, a6 is -5.9166e-05, a8 is 2.2739e-06, a10 is 2.1289e-06, a12 is 0, a14 is 0, and a16 is 0. The back surface of the lens is also aspheric, with the following aspheric coefficients: a2 is 0, a4 is 0, a6 is -5.9166e-05, a8 is 2.2739e-06, a10 is 2.1289e-06, a12 is 0, a14 is 0, and a16 is 0.
The lens's geometry is designed to provide superior optical performance, making it suitable for a wide range of applications. The lens is currently in stock and available for immediate shipping. For more information, please visit the product webpage at https://www.thorlabs.com/thorproduct.cfm?partnumber=355660.