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For an optical fiber, a step-index profile is a refractive index profile characterized by a uniform refractive index within the core and a sharp decrease in refractive index at the core-cladding interface so that the cladding is of a lower refractive index. The step-index profile corresponds to a power-law index profile with the profile parameter approaching infinity. The step-index profile is used in most single-mode fibers and some multimode fibers. Modal dispersion in a step index optical fiber is given by where

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  • 스텝-인덱스 프로파일 (ko)
  • Step-index profile (en)
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  • 광섬유에서 스텝-인덱스 프로파일은 광섬유 내부에서 균일한 굴절률을 지니고, 코어-클래딩 인터페이스에서 굴절율이 급격히 감소하여 클래딩에서는 굴절률이 낮게 되는 굴절률 프로파일이다. (ko)
  • For an optical fiber, a step-index profile is a refractive index profile characterized by a uniform refractive index within the core and a sharp decrease in refractive index at the core-cladding interface so that the cladding is of a lower refractive index. The step-index profile corresponds to a power-law index profile with the profile parameter approaching infinity. The step-index profile is used in most single-mode fibers and some multimode fibers. Modal dispersion in a step index optical fiber is given by where (en)
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  • For an optical fiber, a step-index profile is a refractive index profile characterized by a uniform refractive index within the core and a sharp decrease in refractive index at the core-cladding interface so that the cladding is of a lower refractive index. The step-index profile corresponds to a power-law index profile with the profile parameter approaching infinity. The step-index profile is used in most single-mode fibers and some multimode fibers. A step-index fiber is characterized by the core and cladding refractive indices n1 and n2 and the core and cladding radii a and b. Examples of standard core and cladding diameters 2a/2b are 8/125, 50/125, 62.5/125, 85/125, or 100/140 (units of µm). The fractional refractive-index change . The value of n1 is typically between 1.44 and 1.46, and is typically between 0.001 and 0.02. Step-index optical fiber is generally made by doping high-purity fused silica glass (SiO2) with different concentrations of materials like titanium, germanium, or boron. Modal dispersion in a step index optical fiber is given by where is the fractional index of refraction is the refractive index of core is the length of the optical fiber under observation is the speed of light. (en)
  • 광섬유에서 스텝-인덱스 프로파일은 광섬유 내부에서 균일한 굴절률을 지니고, 코어-클래딩 인터페이스에서 굴절율이 급격히 감소하여 클래딩에서는 굴절률이 낮게 되는 굴절률 프로파일이다. (ko)
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