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2. Multi-mode optical fiber - Wikipedia

   en.wikipedia.org/wiki/Multi-mode_optical_fiber

   Because multi-mode fiber has a larger core size than single-mode fiber, it supports more than one propagation mode; hence it is limited by modal dispersion, while single mode is not. The LED light sources sometimes used with multi-mode fiber produce a range of wavelengths and these each propagate at different speeds.

3. Single-mode optical fiber - Wikipedia

   en.wikipedia.org/wiki/Single-mode_optical_fiber

   In fiber-optic communication, a single-mode optical fiber (SMF), also known as fundamental- or mono-mode, [1] is an optical fiber designed to carry only a single mode of light - the transverse mode. Modes are the possible solutions of the Helmholtz equation for waves, which is obtained by combining Maxwell's equations and the boundary ...

4. Fiber-optic communication - Wikipedia

   en.wikipedia.org/wiki/Fiber-optic_communication

   The core of a single-mode fiber is smaller (< 10 micrometers) and requires more expensive components and interconnection methods, but allows much longer and higher-performance links. Both single- and multi-mode fiber is offered in different grades.

5. Optical fiber - Wikipedia

   en.wikipedia.org/wiki/Optical_fiber

   Fiber with a larger NA requires less precision to splice and work with than fiber with a smaller NA. The size of this acceptance cone is a function of the refractive index difference between the fiber's core and cladding. Single-mode fiber has a small NA.

6. Waveguide (optics) - Wikipedia

   en.wikipedia.org/wiki/Waveguide_(optics)

   The propagation of light through a multi-mode optical fiber. Main article: Optical fiber Optical fiber is typically a circular cross-section dielectric waveguide consisting of a dielectric material surrounded by another dielectric material with a lower refractive index .

7. Core (optical fiber) - Wikipedia

   en.wikipedia.org/wiki/Core_(optical_fiber)

   The structure of a typical single-mode fiber. 1. Core 9 μm diameter 2. Cladding 125 μm dia. 3. Coating 250 μm dia. 4. Buffer or jacket 900 μm dia. Light propagating in a multi-mode fiber. The core of a conventional optical fiber is the part of the fiber that guides the light. It is a cylinder of glass or plastic that runs along the fiber's ...

8. Modal dispersion - Wikipedia

   en.wikipedia.org/wiki/Modal_dispersion

   A special case of modal dispersion is polarization mode dispersion (PMD), a fiber dispersion phenomenon usually associated with single-mode fibers. PMD results when two modes that normally travel at the same speed due to fiber core geometric and stress symmetry (for example, two orthogonal polarizations in a waveguide of circular or square ...

9. Polarization-maintaining optical fiber - Wikipedia

   en.wikipedia.org/wiki/Polarization-maintaining...

   In fiber optics, polarization-maintaining optical fiber (PMF or PM fiber) is a single-mode optical fiber in which linearly polarized light, if properly launched into the fiber, maintains a linear polarization during propagation, exiting the fiber in a specific linear polarization state; there is little or no cross-coupling of optical power ...