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Showing posts from January, 2026

Single-Mode Fiber

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  Fiber optic cables form the foundation of modern high-speed communication networks, enabling long-distance data transmission with minimal loss and strong immunity to electromagnetic interference. Below is a structured overview of the main cable types, their technical details, applicable standards, and real-world use cases—all aligned with current industry practices.   Single-Mode Fiber (SMF)   SMF is designed for long-distance, high-bandwidth communication, allowing only one mode of light to travel through a narrow core.   Parameter Specification Core Diameter 8–10 µm Cladding Diameter 125 µm Light Source Laser diode (1310 nm or 1550 nm) Maximum Distance Up to 100 km+ Bandwidth Effectively unlimited (Tbps range) Jacket Color Yellow Common Standards OS1 (indoor), OS2 (outdoor/loose tube)   Applications:   Telecommunications backbone networks Undersea cables Long-haul ISP infrastructure FTTH (Fiber to the Home) installations Note: OS2 is the current standa...