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Optical Fiber, Coil Winding, Lasers and Amplifiers

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Fibers for Optimized Splicing

Tighter Tolerances

Introducing the M+ line of matched passive and active fibers for the most demanding fiber laser applications requiring the highest performance and greatest beam quality. 

M+ fibers offer >25% tighter tolerances than any other fibers including Nufern's M class of matched fibers.

Ultra Matched M+ Fibers with Improved MFD tolerance

Nufern M+ fibers are the first active fibers in the industry that specify the mode-field diameter. 

By optimizing and precisely matching the MFD of the active and passive M+ fibers, splice losses less than 0.05 dB are realized easier than with any other active/passive fiber pairing.


Nufern continues to offer the largest range of matched fibers for industrial production of fiber lasers for the widest range of applications including marking, micro-machining, cutting, welding, drilling and engraving.


  • Tighter tolerance - Reduces the time and variability when splicing
  • Repeatable splices - Reduces test and rework with lower splice loss


  • High power - Reduces stray light and thermal load
  • Perfomance - Improves beam quality and laser efficiency


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Fiber Lasers


The NuQ™ fiber laser from Nufern is a pulsed marker delivering 1 mJ pulse energy with a fast turn-on time and higher peak power...

$9950.00 each
U.S. Military, Government or Aerospace Contractors
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Fiber Coil Winding

With a 25 year legacy of winding all types of precision optical fiber coils, the coil winding business unit offers a team of highly experienced scientists, engineers, and winders, together capable of winding the best in optical fiber coils. Cost effective and fast winding systems allow Nufern to provide a complete range of products, from simple delay lines and payout spools to strategic quadrupole gyro coils of several kilometers in length.