1×2/2×2 Fused WDM, Singlemode 980/1310/1480/1550nm

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1×2/2×2 Fused WDM (Fused Wavelength Division Multiplexer), Singlemode 980/1310/1480/1550nm

Fused WDM (Fused Wavelength Division Multiplexer) is a type of optical wavelength division multiplexer based on fused biconical taper technology, used to combine or separate light signals of different wavelengths within a single optical fiber. By heating, fusing, and stretching multiple fibers, an optical coupling structure is formed to enable multi-wavelength signal transmission. As a passive device, Fused WDM requires no power supply, offering high reliability and low loss. It also features a simple structure, low cost, and compact size, making it ideal for large-scale deployment. Fused WDM is widely used in metropolitan area networks (MAN), long-distance transmission, and fiber-to-the-home (FTTH) applications to enhance the capacity and bandwidth utilization of optical communication systems.

Specification

Type	980/1550 WDM	1310/1550 WDM	1480/1550 WDM
Grade	P Grade	P Grade	P Grade
Insertion Loss (Max.) (dB)	≤0.2	≤0.3	≤0.25
Isolation (dB)	≥20	≥17	≥16
PDL (dB)	≤0.05	≤0.05	≤0.10
Operating Wavelength (nm)	980±10/1550±20	1310/1550±15	1480/1550±5
Fiber Type	HI1060, HI1060 Flex, OFS980	SMF-28e	SMF-28e
Directivity (dB)	≥55	≥55	≥55
Operating Temperature (°C)	-40 ~ +85	-40 ~ +85	-40 ~ +85
Storage Temperature (°C)	-40 ~ +85	-40 ~ +85	-40 ~ +85
Port Configuration	1×2 or 2×2	1×2 or 2×2	1×2 or 2×2
Fiber Pigtail Length (m)	1m or Specify	1m or Specify	1m or Specify

Features	Applications
Low Insertin Loss	Long-HauIUni and Bi-Directional
High Isolation	Telecommunications System
Compact Size	Digital, Hybrid and Am-video Systems
Top Quality-Price ratio	High-Speed Multi-Wavelength Systems
Top Quality-Price ratio	CATV Links & Fiber Sensors

Fused Wavelength Division Multiplexer (WDM)

Port	1×2, 2×2
Wavelength	980/1550nm, 1310/1490nm, 1310/1550nm, 1480/1550nm
Fiber Diameter	250um, 900um, 2.0mm, 3.0mm
Fiber Length	0.5m, 1.0m, 1.5m, 2.0m
Connector	SC/APC, SC/UPC, FC/APC, FC/UPC, LC/APC, LC/UPC, ST/APC, ST/UPC, None