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Singlemode - OS1 - 9/125

Singlemode Fiber Cable is designed to carry only one ray of light making single mode extremely useful for long transmission distances. Single mode fiber is used for its high carrying capacity, reliability, and lower power consumption.

Single-mode fiber is physically like multi-mode fiber, however, the glass core is significantly smaller - usually around 10 microns in diameter - and the light source enters the core at 90 degrees.