TECHNICAL DATASHEET

1xN Multimode Fused Fiber Coupler (1x2 to 1x32)

Multimode Fused Biconical Taper (FBT) Fiber Coupler available in 1x2, 1x4, 1x8, 1x16, and 1x32 port configurations for 850nm and 1310nm multimode systems. Built with 50/125um or 62.5/125um fiber for high optical transmission efficiency and uniform power distribution.

Technical Specifications

Parameter
Specification
Unit
Port Configuration
1x2, 2x2, 1x3, 1x4, 1x8, 1x16
-
Operating Wavelength
850, 1310, or 850/1310 Dual Window
nm
Operating Bandwidth
±40
nm
Max. Insertion Loss (1x2 50/50)
3.6
dB
Max. Insertion Loss (1x4)
7.2
dB
Max. Insertion Loss (1x8)
10.8
dB
Max. Uniformity
0.8 (1x4), 1.2 (1x8)
dB
Min. Directivity
40
dB
Fiber Type
50/125um (OM2/OM3) or 62.5/125um (OM1)
-
Operating Temperature
-40 to +75
°C
Storage Temperature
-40 to +85
°C
Package Dimensions
dia. 3.0 x 40 mm / dia. 3.0 x 54 mm / dia. 3.0 x 60 mm
mm
Technical Datasheet Note
Coupling ratio and insertion loss tested under equilibrium mode distribution (EMD). Connectors add 0.3 dB insertion loss.
Configuration and ordering notes

Configuration parameters include multimode fiber core size (50/125um or 62.5/125um), port count, operating wavelength, and connector type (SC, LC, ST).

Selection Guidance: Review extinction ratio formulas, axis alignment, and splicing tolerances in our PM Fiber Components & Extinction Ratio Guide ↗ or Fiber Polarizer Selection Guide ↗.

Key Applications

Local area networks (LAN); Multi-mode fiber sensor arrays; Industrial plant automation; Data center multimode distribution.

Package Drawing

090 1xN Multimode Fused Fiber Coupler (1x2 to 1x32), Port Configuration: 1x2, 2x2, 1x3, 1x4, 1x8, 1x16 – KernsOptic
Package reference for 1xN Multimode Fused Fiber Coupler (1x2 to 1x32). Confirm the final configuration during engineering review.

Package dimensions depend on the configuration. The catalog, ordering information or drawing show different package references; engineering must confirm the final mechanical outline before ordering.

Need an exact configuration?

A quotation review can begin with the application, quantity and available component information. Wavelength, optical power, fiber and termination details can be clarified with engineering.