The LBTEK aspheric fiber collimator is pre-aligned and can be used to collimate laser beams emitted from FC/APC, FC/PC, or SMA fiber connectors. The aspheric lens exhibits chromatic aberration, and its effective focal length (EFL) is wavelength-dependent. It provides diffraction-limited performance at the design wavelength and delivers excellent spherical aberration correction, making it suitable for simple fiber coupling applications. The collimator features a compact overall design, with molded aspheric lenses coated with anti-reflection films on both surfaces to minimize surface reflections. Additionally, the FC/APC version has an angled ferrule, ensuring the beam exiting the fiber enters the collimator perpendicular to the focal plane. The current design wavelengths for LBTEK fixed aspheric fiber lens collimators include 405 nm, 450 nm, 480 nm, 520 nm, 532 nm, 543 nm, 633 nm, 635 nm, 650 nm, 780 nm, 810 nm, 850 nm, 980 nm, 1064 nm, 1310 nm, and 1550 nm. Three fiber connector versions are available: FC/PC, FC/APC, and SMA. Customization services are also offered, including tailored specifications such as different wavelengths, connector types, housing dimensions, and output beam sizes. For specific customization requirements, please contact LBTEK Technical Support.