Large Core Multimode Fused Fiber Coupler (105/125, 200/220)
Large-Core Multimode Fused Biconical Taper Fiber Coupler manufactured with step-index large-core fibers (105/125um NA 0.22, 200/220um NA 0.22). Handles high optical power for laser diode power combining, pyrometry, and industrial spectroscopic delivery.
Technical Specifications
Parameter
Specification
Unit
Fiber Core / Clad Diameter
105/125um or 200/220um (Step Index, NA 0.22)
um
Operating Wavelength Range
400 to 2200 (UV-VIS or NIR)
nm
Port Configuration
1x2 / 2x2
-
Coupling Ratio Options
01/99, 05/95, 10/90, 20/80, 50/50
%
Max. Insertion Loss (50/50)
3.8 (105/125), 4.2 (200/220)
dB
Max. Excess Loss
0.5 (105/125), 0.7 (200/220)
dB
Min. Directivity
35
dB
Max. Optical Power (CW)
10 to 50
W
Operating Temperature
-40 to +85
°C
Package Dimensions
dia. 3.0 x 54 mm / dia. 3.0 x 60 mm / 90 x 20 x 9.5 mm
mm
Technical Datasheet Note
High power handling up to 50W CW depending on fiber core diameter and heat sinking. Connectors add 0.3 dB insertion loss.
High power handling up to 50W CW depending on fiber core diameter and heat sinking. Connectors add 0.3 dB insertion loss.
Configuration and ordering notes
Configuration parameters include fiber core diameter (105/125um or 200/220um), operating wavelength band, and power level.
Selection Guidance: Compare combiner architectures and fiber matching in our Pump Combiner Selection Guide ↗ or N×1 vs (6+1)×1 Architecture Guide ↗.
Key Applications
Laser diode pump combining; Industrial laser material processing; High-temperature optical pyrometry; Spectroscopy.
Package Drawing
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.