Time：2023-02-09 Views：
Fiber fiber nude fiber is generally divided into three layers: the center high refractive index glass core (the core diameter is generally 50 or 62.5 μm), the middle is low refractive silicon glass bag (generally 125 μm), and the outer are reinforced resin coating. layer.
Numeric aperture
The light incident into the fiber end surface cannot be transmitted by the fiber, but the incident light within a certain angle can be. This angle is called the numerical pores of the fiber. Optical fiber's numerical pores are more beneficial to the docking of fiber. The numerical aperture of optical fiber produced by different manufacturers (AT & T Corning).
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