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    • 8. 发明申请
    • HIGHER WAVELENGTH OPTIMIZED OPTICAL FIBER WAVEGUIDE
    • 高波长优化光纤波形
    • WO0127667A3
    • 2001-06-14
    • PCT/US0025362
    • 2000-09-15
    • CORNING INC
    • BHAGAVATULA VENKATA AGIROUX CYNTHIA BHAWTOF DANIEL W
    • G02B6/02G02B6/036H04B10/16H04B10/17G02B6/16
    • G02B6/02004G02B6/03611G02B6/4403
    • Single mode optical fiber waveguides with reduced bending losses for wavelength range of 1300 nm to 1700 nm are disclosed. The extended ranges are achieved by altering the optical characteristics of the fiber, namely, the MAC number, the mode field diameter ("MFD"), and the cut-off wavelength. The single mode fibers disclosed exhibit a lower MFD and higher cut-off wavelength. In addition, optical fiber transmission systems, wave division multiplexing ("WDM") systems, and optical fiber ribbon cables are disclosed that incorporate the single mode optical fiber. Figure 2 shows the refractive index profile as a function of the fiber radius. Figure 6 illustrates a ribbon cable (700) with 4 fibers in a matrix material (708). Each fiber consists of a central core (702), a cladding layer (703), a primary (704) and a secondary polymer layer (705) and a colored ink coating layer (706).
    • 公开了在1300nm至1700nm的波长范围内具有减小的弯曲损耗的单模光纤波导。 通过改变光纤的光学特性,即MAC数,模场直径(“MFD”)和截止波长来实现扩展范围。 所公开的单模光纤显示较低的MFD和更高的截止波长。 此外,公开了并入单模光纤的光纤传输系统,波分复用(“WDM”)系统和光纤带状电缆。 图2示出了作为光纤半径的函数的折射率分布。 图6示出了具有基体材料(708)中的4根纤维的带状电缆(700)。 每个纤维由中心芯(702),包覆层(703),初级(704)和次级聚合物层(705)和着色油墨涂层(706)组成。