High Performance Lasers
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Active Fiber

LIEKKI active fibers are available with either Ytterbium (Yb) or Erbium (Er) as the main dopant.

Yb doped fibers are available over a range of dopant concentration levels ranging from Yb700 to Yb1200. The Yb number refers to the nominal small signal absorption of the core at the 976nm peak wavelength in dB/m. Yb fibers are available for single-clad core pumping applications as well as double clad cladding pumping applications over a broad core diameter range. Yb fibers are available both as PM and non-PM variants as standard products.

Er doped fibers are available over a range of dopant concentration levels ranging from Er16 to Er120. The Er number refers to the nominal small signal absorption of the core at the 1530nm peak wavelength in dB/m. Er fibers are primarily available for single-clad core pumping applications, but a range of cladding pumped fibers are also available.

The RP Fiber Power software is offered by our partner, RP Photonics Consulting GmbH, and allows performance simulation of lasers, amplifiers, and ASE sources based on rare-earth-doped fibers. Short and ultrashort pulse devices can be covered as well. On this basis, optimized device designs can be developed.

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