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Map7 Airport Park Rd.
East Granby, CT 06026
United States
Phone: (860) 408-5000
Fax: (860) 844-0210
Toll-free: (866) 466-0214

Founded in March 2000, Nufern is a leading U.S. manufacturer of specialty optical fibers, fiber lasers and amplifiers serving diverse markets. With manufacturing facilities located at its headquarters in East Granby, Connecticut, USA. Nufern has the experience, resources, and facilities required to design, manufacture, test and qualify all of its fiber products.

Specialty Optical FibersNufern's specialty optical fibers

One of the world’s leading manufacturer of application specific specialty optical fiber, we are committed to excellence in the design and manufacture of specialty optical fiber.You can trust Nufern to produce optical fiber to the world’s highest standards for quality, reliability and repeatability. With over 1,400 custom and standard specialty fibers, we are on your wavelength.

Nufern's fiber lasersFiber Lasers

Nufern’s laser technology offers the highest efficiency, beam quality and lifetime performance in packages always designed with the needs of real users in mind. Nufern offers both Q-Switch and MOPA pulsed fiber laser designs with powers up to 100 W and pulse durations down to sub-nanosecond.

Nufern's fiber amplifiersFiber Amplifiers

Our CW fiber amplifiers simplify the most complex optical amplification, signal gain and power scaling challenges. Powered by Nufern’s double clad fibers, our CW amplifier devices offer high stability and high power while preserving critical seed laser characteristics such as linewidth and beam quality.

Defense Technology

Nufern's defense technologyNufern provides the US defense industry with force multiplying optical fiber-based technologies from sensors to High Energy Lasers and Amplifiers (HEL). We are experienced serving the US government, its agencies, foreign governments under license as well as allied military and aerospace contractors. Nufern manufactures some of the most complex sensor components using specialty optical fibers. We specialize in fiber optic gyroscope (FOG) coils of all types and long (~ 50km) payout spools. Our engineers and scientists work with customer requirements to create linear and other special configuration fiber sensors.
Established: 2000
Employees: 150
Facility area (sq. ft): 120,000
Ownership type: Publicly Traded Stock
Martin Seifert, Pres.
Jeff Wojtkiewicz, VP Sales/Mktg.
Adrian Carter, CTO
Kanishka Tankala, VP Specialty Fiber


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