Ytterbium-doped Optical Fibers

Ytterbium-doped Optical Fibers FORC Photonics
 
  • SW11008
Cut off Wavelength 800 to 1030 nm; Numerical Aperture 0.09 to >0.46; Core Dia. 5.5 to 10.0 µm;... more
Product information "Ytterbium-doped Optical Fibers"

Cut off Wavelength 800 to 1030 nm; Numerical Aperture 0.09 to >0.46; Core Dia. 5.5 to 10.0 µm; Cladding Dia. 90 to 400 µm

FORC-Photonics’ series of photodarkening-free Yb-doped specialty optical fibers includes single mode (SM) and polarization maintaining (PM) fibers as well as variants with double cladding, large mode areas or tapered fibers.

The YDF-SM-6/125 series of single mode Ytterbium-doped fiber is designed for operation without power degradation in core-pumped laser and amplifier schemes, while the YDF-DC-6/125 series of single mode Ytterbium-doped double clad fiber is specially designed for highly efficient high-reliability CW lasers operating in the 1030 to 1080 nm spectral range. Flat absorption in the range of 910 to 965 nm and specially designed polymer coating allow the usage of lasers based on such fibers in an extra wide temperature range (-60 to +60 °C).

The YDF-DC-10/125 series of single mode Ytterbium-doped double clad fiber is designed for operation without any power degradation in high-peak-power cladding-pumped amplifiers. The highest clad absorption in the market allows usage of only 3 m of such fiber (with 976 nm pump) for efficient amplification. For all three fiber series (YDF-SM-6/125, YDF-DC-6/125, YDF-DC-10/125), variants with custom parameters including PM versions are available on request.

FORC-Photonics’ YDF-DC-40/400-PM-TPR series of Ytterbium-doped tapered fibers is designed for operation without any power degradation in extremely high-peak-power cladding-pumped amplifiers. The tapered fiber design has a single mode end (typical dimension is 8/80 μm) for signal input and a very large mode area (LMA) end (typical dimension is 40/400 μm) for signal output and pump input.

The YDF-DC-40/400-PM-TPR series’ all-glass, double-clad fiber design (based on highly F-doped second cladding with typical NA = 0.26) allows simple polishing of the thick 400 μm fiber end. Due to a high Yb concentration and a short tapered fiber length, amplifiers based on this fiber have the highest threshold of nonlinear effects on the market (up to 0.5 MW) together with very high, diffraction-limited beam quality at the output.

Key Features:

  • Ytterbium-doped Fibers
  • Photodarkening-free
  • Single and Double Clad Versions
  • Core Diameter: 5.5 to 9 µm (Taper >40 µm)
  • Cladding Diameter: 90 to 127 µm (Taper 400 µm)
  • Cut off Wavelength: 800 to 1030 nm
  • Core Numerical Aperture: 0.09, 0.16
  • Cladding Numerical Aperture: >0.26, 0.44, >0.46


Applications: Core-pumped Laser and Amplifier Schemes; Highly Efficient High-reliability CW Lasers; High-peak-power Cladding-pumped Amplifiers

Product Group: Ytterbium-doped Optical Fibers
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