Introducing the DB-FFB-003-00-1222 Singlemode Fiber, a cutting-edge solution designed to meet the evolving demands of modern optical communication systems. Developed by j-fiber GmbH, this fiber is meticulously engineered to offer superior performance, ensuring reliability and efficiency in various applications. With its advanced design, the DB-FFB-003-00-1222 is a testament to innovation in fiber optics, providing users with a robust and versatile option for their networking needs.

The DB-FFB-003-00-1222 singlemode fiber is crafted with precision, featuring a core made from Ge-doped fused silica and multiple cladding layers composed of low-OH undoped and F-doped silica. This unique composition not only enhances the fiber's optical properties but also ensures its durability and longevity. The fiber's geometrical attributes, such as its cladding diameter and coating concentricity, are optimized for performance, making it an ideal choice for high-speed data transmission.

Optically, this fiber stands out with its impressive mode field diameters and cut-off wavelength, tailored to support efficient signal propagation. The numerical aperture values further highlight its capability to maintain signal integrity over long distances. Mechanically, the fiber is designed to withstand rigorous conditions, with a proof-test strength of over 100 kpsi, ensuring it can handle the demands of various environments.

While the DB-FFB-003-00-1222 is currently classified as a B-sample, it is intended for trial use to explore its full functional range and technical requirements. This phase is crucial for refining the product specifications for series production and verifying manufacturability. Although not yet ready for serial application, this fiber offers a glimpse into the future of optical communication technology, promising enhancements in performance and reliability.