Stock for short：长盈通
Stock code：688143

CN OA
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Ytterbium Doped Fibers
YOEC’s ytterbium-doped fiber is a double-clad or triple-clad active optic fiber, and it can output 1μm-band high power laser. This product is mainly used in ytterbium doped fiber lasers and amplifiers, and is widely used in military, industrial, medical and scientific research fields with its advantages of high output beam quality and good stability. By adjusting optic fiber parameters, YOEC can provide different sizes and shapes of ytterbium doped fibers to meet various application requirements.
  • High doping concentration
  • Large mode field area
  • High energy conversion efficiency
  • Low photo-darkening performance
  • Stable storage product indicator under extreme environment
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Product CharacteristicsSpecificationsCustomized InformationOptical fiber structureProduct Application
Product Characteristics
  • 01
    High doping concentration
  • 02
    Large mode field area
  • 03
    High energy conversion efficiency
  • 04
    Low photo-darkening performance
  • 05
    Stable storage product indicator under extreme environment
Specifications

Technical indicators of double-clad ytterbium doped active fiber

 

Optic Fiber Type

YDF20/400

YDF25/400
Geometric performance

Core diameter (μm)

20.0±2.0

20.0±1.5

Inner cladding edge - distance (μm)

400.0±15.0

400.0±10.0

Coating diameter (μm)

550.0±20.0

550.0±15.0

Inner cladding shape

Octagon

Octagon
Optical performance

Working wavelength (Yb3+)

1060~1115

1060~1115

Core loss @1200nm (dB/km)

＜20

≤20

Cladding loss @1095nm(dB/km)

＜15

≤20

Cladding pump absorption @915nm (dB/m)

0.4±0.05

0.6±0.10

Core numerical aperture

0.06±0.01

0.06±0.005

Numerical aperture of inner cladding

≥0.46

≥0.46

Strength screening (kpsi)

100

100

Coating material

Low refractive index polymer

Low refractive index polymer

 

 

Technical indicators of triple-clad ytterbium doped active fiber

 

Optic fiber type

YTF-34/460/530

Core attenuation @1200nm (dB/km)

≤15

First cladding pump absorption @915nm (dB/m)

1±0.15

First cladding pump absorption @915nm (dB/m)

4.3

Second cladding pump absorption @915nm (dB/m)

0.75

Fiber core NA

0.1±0.01

First cladding NA

0.22±0.02

Second cladding NA

≥0.46

Core diameter (μm)

34±2.5

First cladding diameter (F-F) (μm)

460±15

Second cladding diameter (μm)

530±10

Core-cladding concentricity (μm)

≤3

Coating diameter (μm)

650±15

Screening tension (kpsi)

110±10

Working wavelength (nm)

1065±50

 

Customized Information
Optical fiber structure

 

Product Application
CW laser, pulsed laser
National defense, medical treatment and scientific research
Material processing