Passive Components

N×1 High Power Pump Combiners

Lightel's Multimode Pump Combiners can be used to combine several pump lasers. Our patented bundling technology significantly increases the combiner's reliability. Manufactured using our proprietary methods, Lightel's Nx1 combiners are available up to N=37 and other custom configurations.


  • High Coupling Efficiency
  • Stable and Reliable
  • Custom Configurations Available


  • High Power Fiber Lasers
  • Fiber Amplifiers
Parameter Specification
Port Configuration 3x1 4x1 7x1 19x1 37x1
Pump Wavelength 800 nm ~ 1000 nm
Pump Input Fiber 105/125 0.15NA/0.22NA or 200/220 0.22NA 105/125 0.15NA/0.22NA
Output Fiber (Note 3) y/125 or 200/220 200/220 or y/250 or 20/400 y/400
Pump Efficiency (Note 4) >95% >90% >90% >93%
Total Power Handling 300W 350W 1800W 1800W
Pigtail Standard 1m or custom
Operating Temperature 0~75°C
Storage Temperature -40~85°C
Note 1: Values are referenced without connectors.
Note 2: Other package dimensions and optical performances available by request.
Note 3: y specifies fiber core size.
Note 4: Fiber size and type dependent.