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Optical Fiber, Coil Winding, Lasers and Amplifiers

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Optical Fibers For Sensing

Multimode, graded index, high bandwidth fibers that are immune to the deleterious effects of hydrogen ingression enable new methods of temperature sensing in harsh environments. NuSENSOR fibers are the first fibers to provide this attribute.

For high partial pressure H2 and elevated temperature to 300˚C you will find no measurable induced loss in this family of fibers. NuSENSOR fibers add to a long line of premium fibers from Nufern.

Optical Benefits

  • High bandwidth, graded index, multimode, 50/125 fiber

Optical Benefits

  • Immune to the effects of H2 ingression to 300°C
  • Intrinsic low loss and broad wavelength transmission, especially in the 1060nm region

Mechanical Benefits

  • High residual strength retention
  • Long proof lengths, high proof test

Mechanical Benefits

  • Excellent geometric tolerances for low signal artifact generation
  • Minimal degradation in strength (<1.5%) after exposure to test conditions
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Optical Fibers


Featuring the latest Gen. VIII glass composition, Nufern's large mode area (LMA) and PM-LMA Ytterbium-doped double clad fibers are...

$125.00 per meter
Optical Fibers Fiber Lasers Fiber Amplifiers Defense Technology Coil Winding Educational Components


Designed for efficient single mode operation around 1060 nm when cladding pumped at 808 nm.

Nufern's Fiber Lasers

Nufern’s laser technology offers the highest in efficiency, beam quality, and lifetime performance–in packages always designed with the needs of real users in mind. With a team of leading experts in laser engineering and specialty fiber design, Nufern has long been a preferred supplier of the active fibers that power the most advanced high-power fiber lasers. Now with a family of self-contained fiber laser systems, Nufern can address the next level of integration. End users of fiber lasers will enjoy the high performance and reliability common to all Nufern lasers, combined with unprecedented ease of use.

Nufern's Fiber Amplifiers

Nufern’s fiber amplifiers offer a unique approach to optical signal gain challenges by offering stable, high peak power monolithic solutions. Polarization maintaining amplifiers from Nufern, with very high signal extinction ratios, are unmatched in performance, from low power applications to multi-stage amplifiers capable of hundreds of watts of TEM00 power. Based on 100% prooftested Nufern double-clad fiber, these packaged solutions simplify the most difficult optical amplification problems—reducing program costs, complexity, and time to completion.

NukW — Harnessing Diffraction Limited Laser Power

Building on recent success by many in deploying multimode industrial fiber lasers in defense applications Nufern has produced a family of compact high performance diffraction limited single-mode high power fiber amplifiers.

Delivered turnkey from our US operations these systems provide requisite high beam quality, high efficiency, and narrow linewidth making them ideally suited for spectral or diffraction beam combination applications.  Deployment is facilitated using a patent pending remote power head connected ~ 10m distally to the preamp and diode chassis.

Fast support is available from our 3 per week production capacity, air freight compatible rental unit, and rental access to a Nufern manned multi-unit bench at our Connecticut headquarters.

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.

Nufern's NuEDU Educational Components

For many years Nufern & its diverse partners have enhanced high power Large Mode Area fiber laser and amplifier technology for the benefit of all manner of optical fiber laser and amplifier applications. The tools developed and used in our own labs provide scientists, engineers, and technicians apparatus to safely and easily obtain the best optical results, reuse valuable fibers, and easily adjust and adapt key performance parameters necessary to understand and develop products.