FiberTech Optica offers several types of standard bundles: large core, multi-branch and spot to line converters. All of the fiber, connector and sheathing options available for patchcords are applicable in this case as well.

Large core. These assemblies consist of multiple optical fibers tightly packed into a round bundle at both ends. Individual fibers are randomly distributed from one end to the other. Typical fiber counts are 7, 19, 37 and 61 fibers, with lengths ranging from 0.5 to 60 meters. As an additional option, individual fibers can have their buffer stripped to further enhance packing efficiency.

Depending on the fiber used, these bundles offer either improved light throughput or greater flexibility as compared to a standard patchcord.

Multi-branch. In these assemblies, all constituent fibers are packed together at one end, and divided into two to seven branches at the other end. Individual fibers among the branches can be routed randomly, scrambled or mapped to obtain the desired distribution at the common end. For even more flexibility, each branch can have a different termination. Standard lengths are from 0.5 to 5 meters.
These bundles can be used to either split light into several beams or to combine light from several inputs into a single beam.

Spot to line converters. In this case, all fibers from a tightly packed round bundle at one end are configured into a rectangular array of fibers at the other end. Again, the individual fibers can be routed randomly, scrambled or precisely mapped. FiberTech Optica specializes in precision converters utilizing the smallest multimode fibers available.
These bundles are principally used in spectroscopy, where the system throughput and resolution can be optimized by configuring the input light into a narrow line matching the entrance slit of the instrument.