Single-mode optical fiber
The invention provides a single-mode optical fiber with excellent bending loss characteristic and low transmission loss characteristic. In the single-mode optical fiber having trench refractive index distribution, if an outer diameter of a first cladding layer is r1 and an outer diameter of a second...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The invention provides a single-mode optical fiber with excellent bending loss characteristic and low transmission loss characteristic. In the single-mode optical fiber having trench refractive index distribution, if an outer diameter of a first cladding layer is r1 and an outer diameter of a second cladding layer is r2, a radial differential value d[delta](r)/dr of a relative refractive index difference [delta](r) of a distance r from the center of a core layer satisfies: -0.10 |
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