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Birefringent
| Fiber Optic Glossary |
Having a refractive index that differs for light of different polarizations.
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Двупреломляющий, русский
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Refractive, английский
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Fast axis, английский
In a birefringent material, the index of refraction varies with the direction of vibration of a lightwave. that direction having a low refractive index is the fast axis; at right angles to it is the slow axis, with a high index of refraction.
Evanescent wave, английский
Guided light waves that extend beyond the boundary of a fiber core into the cladding. evanescent waves can transfer energy between waveguides. light guided in the inner part of an optical fiber`s cladding rather than in the core, i.e. the portion of the light wave in the core that penetrates into the cladding.
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