Category : Optics (components, coatings, instruments and systems) > Optical design software

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New features in OptiFiber 2.0
New - Meshless Mode Solvers for LP and Vector Modes
New - Propogation over Distance
New -Meshless Mode Solvers for LP and Vector Modes
Optical fibers may consist of an arbitrary number of concentric layers of lossless materials, and graded index fibers can be approximated using a sequence of constant index layers.
The new OptiFiber 2.0 mode solvers find an exact solution based on matching boundary conditions at layer boundaries instead of relying on meshes to approximate the structure.
These advanced mode solvers should be especially useful for multimode fiber calculations, where there are many modes in the spectrum.
Another advantage of the meshless mode solver is the calculation of fields far from the fiber. Meshing introduces finite difference errors of a certain level, and fields weaker than the differencing error cannot be calculated. The meshless mode solvers, on the other hand, have the correct asymptotic behavior far from the fiber, and can calculate fields of magnitude 10-15 or less.
New - Propogation over Distance
OptiFiber allows users to decompose an arbitrary field into the modes of a multimode fiber. It calculates the complex coefficients of the modes for the arbitrary field. Similarly, given the amplitude of a set of modes, OptiFiber can display the sum (composition of modes).

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