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CMS-HP and 980C-HP NuComm Fibers
Mar 2007
NufernRequest Info
For Producing Couplers and Complex Fiber Bragg Gratings
EAST GRANBY, Conn., March 28, 2007 -- Nufern, a manufacturer of fiber laser and amplifier modules and specialty optical fibers, announced the expansion of their NuComm line of specialty telecom fibers while exhibiting this week at the OFC/NFOEC conference in Anaheim, Calif.

CMS-HP is a photosensitive single-mode fiber designed for the production of complex Bragg grating structures, such as those with high channel count, in which cladding mode suppression is a fundamental requirement.

“This fiber sets a new standard for photosensitive telecom fibers with its excellent cladding mode suppression, high intrinsic photosensitivity, and low birefringence,” said Adrian Carter, Nufern chief technology officer.

Optimized for low polarization mode dispersion, the fiber allows for the production of devices, such as dispersion compensating modules, with low polarization-dependent loss.

A new coupler fiber, 980C-HP, is designed to achieve extremely low bend loss and splice loss, making it ideal for couplers of all sorts, and other ultracompact components requiring small bend radii. In addition to its bending and splicing performance, the fiber’s tight second mode cutoff tolerance and high tensile strength allow coupler manufacturers to achieve improved production yields and reduced manufacturing costs, the company said.

Nufern is exhibiting at OFC/NFOEC 2007, booth 3001. For more information, visit:; e-mail:

7 Airport Park Rd.
East Granby, CT 06026
Phone: (866) 466-0214
Fax: (860) 844-0210


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fiber laser
A laser in which the lasing medium is an optical fiber doped with low levels of rare-earth halides to make it capable of amplifying light. Output is tunable over a broad range and can be broadband. Laser diodes can be used for pumping because of the fiber laser's low threshold power, eliminating the need for cooling.
optical fiber
A thin filament of drawn or extruded glass or plastic having a central core and a cladding of lower index material to promote total internal reflection (TIR). It may be used singly to transmit pulsed optical signals (communications fiber) or in bundles to transmit light or images.  
The technology of generating and harnessing light and other forms of radiant energy whose quantum unit is the photon. The science includes light emission, transmission, deflection, amplification and detection by optical components and instruments, lasers and other light sources, fiber optics, electro-optical instrumentation, related hardware and electronics, and sophisticated systems. The range of applications of photonics extends from energy generation to detection to communications and...
With respect to light radiation, the restriction of the vibrations of the magnetic or electric field vector to a single plane. In a beam of electromagnetic radiation, the polarization direction is the direction of the electric field vector (with no distinction between positive and negative as the field oscillates back and forth). The polarization vector is always in the plane at right angles to the beam direction. Near some given stationary point in space the polarization direction in the beam...
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