四川供应nufern sm-hdf-10/130特种光纤

eyesafe 10 micron core holmium-

doped sm double clad fiber

sm fiber featuring a unique low na (< 0.1) high concentration ho-doped core design. the ho-doped fiber can be pumped

by a tm-doped fiber laser at ~1950-nm and can achieve 60% efficiency. the high na (0.46) large pump cladding waveguide

allows for efficient coupling of high pump powers, but with its small core size this fiber can easily be core-pumped as well.

this fiber features a single mode large core/cladding ratio with a low na and is ideally suited for both cw and pulsed laser

applications.

typical applications

• high power cw and pulsed

• eyesafe (~2 μm) lasers and

amplifiers

• military and commercial lidar

• ~2 μm output tem₀₀ fiber lasers for

pumping solid state crystal lasers

features & benefits

• unique low na ho-doped core design – robust single-mode beam

• nucoat™ fluoroacrylate coating – greater fiber durability in extreme environmental operating & storage conditions

• high pump absorption – short fiber length, efficient lasing in the ~2 μm window

• fiber designed for either core-pumping or clad-pumping.

optical specifications    sm-hdf-10/130

operating wavelength     2100 – 2200 nm

core na                         0.150 ± 0.020

first cladding na (5%)      ≥ 0.46

cladding attenuation       ≤ 15.0 db/km @ 810 nm

cladding absorption      0.30 ± 0.20 db/m at 1150

nm

geometrical & mechanical

specifications

cladding diameter (flat-to-flat)     130.0 ± 2.0 μm

core diameter     10.0 ± 1.0 μm

coating diameter     220.0 ± 10.0 μm

coating concentricity    < 5.0 μm

core/clad offset     ≤ 0.50 μm

prooftest level       ≥ 100 kpsi (0.7 gn/m²)