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Passive Fibers

Definition: optical fibers without laser-active dopants in the fiber core

More general term: optical fibers

More specific terms: step-index fibers, graded-index fibers, polarization-maintaining fibers, silica fibers, fluoride fibers, mid-infrared fibers, single-crystal fibers, plastic optical fibers, dispersion-shifted fibers, dispersion-decreasing fibers, photonic crystal fibers, photonic bandgap fibers, hollow-core fibers, nanofibers, single-mode fibers, single-polarization fibers, few-mode fibers, multimode fibers, large-core fibers, large mode area fibers, tapered fibers, telecom fibers, specialty fibers

Opposite terms: active fibers

German: passive Fasern

Category: fiber optics and waveguides

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Passive fibers are optical fibers without laser-active dopants in the fiber core. That usually implies that they can only passively transmit light, with some propagation losses are without amplification of the optical power. In some cases, however, nonlinear amplification mechanisms based on stimulated Raman scattering or the Kerr nonlinearity occur.

Passive fibers can be separated into many specific categories:

Compared with active fibers, passive fibers generally exhibit lower propagation losses and are available at lower cost.

Fibers may be equipped with fiber connectors and protective materials to form fiber cables.

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Bibliography

[1]R. Paschotta, tutorial on "Passive Fiber Optics"

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See also: active fibers, fiber optics
and other articles in the category fiber optics and waveguides

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