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Erbium/Ytterbium Doped Fibers

NufernRequest Info
 
Nufern Erbium/Ytterbium Doped FibersNufern has announced the release of a new line of Erbium:Ytterbium (Er:Yb) co-doped fiber products tailored to offer high performance and versatility in CATV and Lidar laser and amplifier applications.

These Er:Yb fibers are designed with Nufern’s double clad geometry to accept all 9XX nm pump wavelengths and amplify light in the 1.55 μm wavelength range with unmatched performance. The core composition has been optimized to ensure the highest efficiencies on the market while guaranteeing stable output by suppressing parasitic 1 μm ASE.

The chemistry has been finely balanced in two standard application-specific versions. The standard version is a high-efficiency and low-threshold design, ideal for single-stage amplifiers. The XP version is specifically designed for high output power levels with suppressed ASE, suited for multi-stage amplifier modules. Both versions are available in a wide range of geometries. In addition, Nufern offers a broad understanding of the design variables that allows us to customize fibers for specialized applications.


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GLOSSARY
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.  
lidar
An acronym of light detection and ranging, describing systems that use a light beam in place of conventional microwave beams for atmospheric monitoring, tracking and detection functions. Ladar, an acronym of laser detection and ranging, uses laser light for detection of speed, altitude, direction and range; it is often called laser radar.
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.
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