Since its first invention by K. Kao in the 1960s, it is widely used in many areas, including optical communication, optical sensing, fiber laser, nonlinear optics, etc. Recently, a substantial amount of research has been conducted in the field of optical fibers . This group focuses on developments relating to new fiber types and their applications. Of interest are fibers fabricated in a variety of materials and structures, designed to benefit a range of application fields, including sensing, lasers, supercontinuum generation and quantum computing. However, the current literature contains. Optical fiber is fundamentally a waveguide, utilizing plastic or silica glass to transmit data as light pulses via Total Internal Reflection (TIR). While speed is its most famous attribute, B2B sectors value fiber for its massive bandwidth capacity, low signal attenuation, and total immunity to. Fibers are used instead of cables because signals travel along them with less loss and are immune to electromagnetic interference. Fibers are also used for illumination and imaging, and are often wrapped in bundles so they may be used to carry light into, or images out of confined spaces, as in. Optical fibers are defined as lightweight, flexible mechanisms with a transparent core and cladding layer, used for guiding light signals over long distances with minimal loss in quality. But that's not all hollow fibers can do.