DCF-UN-20/125-08-PM
- Core Numerical Aperture
- 0.080 ± 0.005
- Cladding Numerical Aperture
- > 0.45
- Background Loss @ 1200 nm (dB/km)
- < 30.0
DCF-YB-20/125E-PM at a glance
Key specifications
-
4.15 ± 0.45
Cladding Absorption @ 915 nm (dB/m)
High effective pump absorption – allows fiber length reduction and nonlinear effect mitigation.
-
>= 1.4
Berifringence (x10E-04)
-
20 ± 1
Core Diameter (µm)
Diameter of the light-guiding core.
-
0.075 ± 0.005
Core Numerical Aperture
Excellent beam quality – efficient fiber laser applications.
-
125 ± 2
Cladding Diameter (µm)
Outer diameter of the glass cladding.
-
Min 0.45
Cladding Numerical Aperture
High-NA cladding that captures and guides the pump light.
Description
The DCF-YB-20/125E-PM double clad fiber features high absorption and low photodarkening. This fiber shows excellent beam quality which is required for various material processing applications. It is also ideal for the design of a wide range of pulsed fiber lasers and amplifiers.
Features & Benefits
- High effective pump absorption – allows fiber length reduction and nonlinear effect mitigation
- Very low photodarkening at high power – ensures stable long-term operation
- High birefringence – minimizes stress
- Excellent beam quality – efficient fiber laser applications
Applications
- Ultrafast fiber lasers
- Pulsed fiber lasers & amplifiers
- Material processing
- Second Harmonic Generation
- Scientific
DCF-YB-20/125E-PM
Specifications
| Optical | |
|---|---|
| Cladding Absorption @ 915 nm (dB/m) | 4.15 ± 0.45 |
| Berifringence (x10E-04) | >= 1.4 |
| Core Numerical Aperture | 0.075 ± 0.005 |
| Cladding Numerical Aperture | Min 0.45 |
| Geometrical & Mechanical | |
| Core Diameter (µm) | 20 ± 1 |
| Cladding Diameter (µm) | 125 ± 2 |
| Core/Cladding Concentricity Error (µm) | <=1.0 |
| Coating Diameter (µm) | 245 ± 15 |
| Cladding geometry | Circ. |
| Core Ovality (%) | <= 15 |
| Proof test (kpsi) | >= 100 |
| Environmental | |
| Storage Temperature (°C) | -40 to +85 |
DCF-YB-20/125E-PM
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