Fiber Optic Cables

Image	Part Number	Description / PDF	Quantity	Rfq
	FM3MMB1077M Belden	FMT OM3 MPO12(M-M) B 12F 77M	0
	FP1SDSD02M1 Belden	FXPC OM1 SC_DX SC_DX 2.1M	0
	FMSMMB6045MPUNY Belden	FMT OS2 MPO12(M-M) B 72F 45M	0
	FM4MFA2340MIMDE Belden	FMT OM4 MPO12(F-F) A 24F 340M	0
	FP3LULU02M1 Belden	FXPC OM3 LD_UNI LD_UNI 2.1M	0
	FPSLDSD01M5 Belden	FXPC OS2 LC_DX SC_DX 1.5M	0
	FT4SD3MMPS01 Belden	FX PIGTAIL OM4 SC_DX JKT_3.0	0
	FP3LDLD060MR2XA Belden	FXPC OM3 LC_DX LC_DX 60M	0
	FP4STST06M5R3XA Belden	FXPC OM4 ST ST 6.5M	0
	FP4SDST004MR3XA Belden	FXPC OM4 SC_DX ST 4M	0
	FP4LDLD01M5R3XE Belden	FXPC OM4 LC_DX LC_DX 1.5M	0
	FM4MMA1055MPMDA Belden	FMT OM4 MPO12(M-M) A 12F 55M	0
	FM4MMB1076M Belden	FMT OM4 MPO12(M-M) B 12F 76M	0
	FPSLULU004M Belden	FXPC OS2 LD_UNI LD_UNI 4M	0
	FP4LULU004M Belden	FXPC OM4 LD_UNI LD_UNI 4M	0
	FM4NMB1025MPSNE Belden	FMT OM4 MPO24_F-MPO24_F 25M	0
	FMSMMB131M5 Belden	FMT OS2 MPO12(M-M) B 12F 31.5M	0
	FP3LDLD026MR2XA Belden	FXPC OM3 LC_DX LC_DX 26M	0
	FPSLHLH04M4 Belden	FXPC OS2 LD_UHD LD_UHD 4.4M	0
	FM4MMB2071M Belden	FMT OM4 MPO12(M-M) B 24F 71M	0

Fiber Optic Cables

1. Overview

Fiber optic cables are critical components in modern communication systems, utilizing glass or plastic fibers to transmit data via light pulses. Compared to traditional copper cables, they offer higher bandwidth, faster data rates, and immunity to electromagnetic interference (EMI). These cables form the backbone of global telecommunication networks, data centers, and high-speed internet infrastructure, enabling technologies like 5G, cloud computing, and IoT.

2. Major Types and Functional Classification

Type	Functional Characteristics	Application Examples
Single-Mode Fiber (SMF)	Transmits one light mode with minimal dispersion, ideal for long-distance transmission	Telecom backbone networks, transoceanic cables
Multi-Mode Fiber (MMF)	Supports multiple light modes, lower cost for short-distance high-speed links	Data center interconnects, enterprise LANs
Tight Buffered Cable	Individual fiber protection with polymer coating, flexible for indoor use	Office networks, security camera systems
Loose Tube Cable	Waterproof gel-filled design for outdoor durability	Underground/metro deployment, aerial installations
Ribbon Fiber Cable	Flat ribbon structure for high-density parallel optical connections	High-density data centers, 400G/800G networks

3. Structure and Composition

A typical fiber optic cable consists of:

Core: Glass (silica) or plastic center (50-62.5 m diameter) guiding light signals
Cladding: Lower-refractive-index material surrounding core for total internal reflection
Coating: UV-cured acrylate layer for mechanical protection and flexibility
Strength Members: Aramid yarn or fiberglass for tensile load resistance
Outer Jacket: Flame-retardant PVC/LSZH (Low Smoke Zero Halogen) for environmental protection

Advanced designs incorporate micro-bend-resistant coatings and bend-insensitive fibers (BIF) for complex routing scenarios.

4. Key Technical Parameters

Parameter	Typical Values	Importance
Attenuation	0.18-0.35 dB/km @1310/1550nm	Determines maximum transmission distance
Bandwidth	10-100 GHz km (MMF), unlimited (SMF)	Limits data rate capacity
Operating Wavelength	850/1300/1550 nm	Matches optical transceiver specifications
Max Tensile Load	100-500 N (short-term)	Ensures mechanical reliability during installation
Bend Radius	10-20 cable diameter	Prevents signal loss from micro-bending
Temperature Range	-40 C to +70 C	Guarantees performance in extreme environments

5. Application Fields

Major industries and equipment utilizing fiber optic cables:

Telecommunications: 5G base stations, DWDM backbone systems
Data Centers: Switch interconnects (40G/100G/400G), MPO trunk cables
Medical: Endoscopy equipment, MRI machine connections
Industrial: Smart grid sensors, factory automation networks
Defense: Submarine sonar systems, secure communication networks

Case Study: Google's Equiano submarine cable (2021) uses space-division multiplexing with 12 fiber pairs, achieving 144Tbps capacity across the Atlantic.

6. Leading Manufacturers and Products

Manufacturer	Representative Products	Features
CommScope	ClearCurve Ultra Low Bend Loss Fiber	10x smaller bend radius than standard SMF
Fujikura	SM-G.654.E Ultra Low-Loss Fiber	0.15 dB/km attenuation for long-haul networks
Yangtze Optics	172-fiber Ribbon Cable	Supports 800Gbps per cable in data centers
Huawei	OptiX OSN 9800 Multi-Service Platform	Integrated with G.652/G.655 fiber modules
3M	Encore Zirconia Connectors	Low back reflection (<-60dB) for CATV networks

7. Selection Guidelines

Key considerations for optimal cable selection:

Transmission Requirements: Match fiber type (SMF/MMF) and wavelength with transceiver specifications
Environmental Conditions: Choose LSZH jackets for indoor fire safety, armored cables for direct burial
Installation Constraints: Use bend-insensitive fibers for tight spaces, pre-terminated cables for rapid deployment
Future-Proofing: Select WDM-compatible cables with extra buffer tubes
Cost-Benefit Analysis: Balance upfront costs vs. lifetime maintenance requirements

Example: For a 200m data center link, choose OM4 multi-mode fiber with MPO connectors for 100Gbps Ethernet compatibility.

8. Industry Trends

Key development trends shaping the fiber optic market:

Higher Speeds: Transition to 800Gbps and 1.6Tbps systems driving adoption of SX6/SX8 fibers
Network Virtualization: FlexGrid DWDM systems requiring bend-insensitive and polarization-maintaining fibers
IoT Expansion: Proliferation of fiber-to-the-home (FTTH) networks for smart city infrastructure
Material Innovation: Adoption of hollow-core fibers with 0.18 dB/km loss and ultra-low latency
Sustainability: Biodegradable jackets and reduced rare-earth dopant usage in cables

The global fiber optic market is projected to grow at 12% CAGR through 2030, driven by 5G deployment and hyperscale data center expansion.