14/250mm Double-Clad Passive Matched Special Fiber Optic

Passive matched special fiber optic can greatly improve the melting loss and laser output stability through precision geometric matching design and strict process control. Double-coated special optical fiber adopts improved low refractive index coating. After 100 kpsi strength screening, has good reliability, consistency and stability. It widely used in material processing, scientific research and medical treatment and other fields. Which can fully meet the needs of all kinds of medium and high power fiber laser users.

Product Feature

1. Low NA,LMA;
2. Tight geometric tolerance;
3.Matched with active fibers;
4.Low non-linearity;

Application

  • CW or pulsed fiber lasers and amplifiers;
  • Aterial Processing, scientific research and medical;
  • Double-clad special optical Fiber is suitable for Nonlinear optics;
  • Laser ranging;
  • Fiber pigtails;

Specification

Type Number 10/125 14/250 20/125 20/400 25/125 25/250 25/400 30/250
Optical Parameters
Operating wavelength (nm) 1015-1115 1015-1115 1015-1115 1015-1115 015-1115 1015-1115 1015-1115 1015-1115
Core NA 0.075±0.005 0.070±0.005 0.075±0.005 0.065±0.005 0.10±0.01 0.11±0.01 0.11±0.01 0.06±0.01
Clad NA ≥0.46 ≥0.46 ≥0.46 ≥0.46 ≥0.46 ≥0.46 ≥0.46 ≥0.46
(dB/km@1200mm)
Core Attenuation
≤20.0 ≤15.0 ≤20.0 ≤15.0 ≤10.0 ≤10.0 ≤10.0 ≤30.0
(dB/km@1095mm)
Cladding Attenuation
≤15.0 ≤15.0 ≤15.0 ≤15.0 ≤15.0 ≤15.0 ≤15.0 ≤15.0
Geometrical and Mechanical Parameters
Core Diameter(Lm) 10.5±1.0 14.0±1.0 20.0±1.5 20.0±1.5 25.0±2.0 25.0±1.5 25.0±2.5 B0.0±2.0
Cladding Diameter(μm) 125.0±1.0 250.0±3.0 125.0±1.0 400.0±5.0 125.0±1.0 250.0±5.0 400.0±5.0 250.0±3.0
Coating Diameter(μm) 245.0±10.0 400.0±15.0 245.0±10.0 550.0±20.0 245.0±10.0 400.0±15.0 550.0±20.0 400.0±15.0
Core/Clad Offs(um) ≤1.0 ≤1.0 ≤1.0 ≤2.0 ≤1.5 ≤2.0 ≤2.0 ≤2.0
Coating Materia Low Index
Acrylate
Low Index
Acrylate
Low Index
Acrylate
Low Index
Acrylate
Low Index
Acrylate
Low Index
Acrylate
Low Index
Acrylate
Low Index
Acrylate
Proof test Leve
(0.7GN/m²)
100 kpsi 100 kpsi 100 kpsi 100 kpsi 100kpsi 100 kpsi 100 kpsi 100 kpsi

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