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Large mode area Yb-doped tapered fiber module (OEM)
Large mode area Yb-doped tapered fiber module (OEM) is designed to build high peak power amplifiers. It could be easily integrated into customers' lasers - the input signal could be spliced to a pigtail made of standard single-mode fiber. The module could be backward-pumped through the think end (optional angle-polishing is available on request). It is recommended that the active fiber be coiled with a diameter greater than 18cm.
| Large mode area Yb-doped tapered fiber module (OEM) | ||
| Characteristics | Thin end | Thick end |
| Core diameter, µm | 8.5 ± 1 | > 40 |
| Clad diameter, µm | 85 ± 10 | 400 ± 50 |
| Cutoff wavelength, µm | < 1.0 | – |
| MFD, µm | 10.0 ± 2.0 | > 25 (26-30 typical) |
| Core NA | 0.09 ± 0.01 | |
| Clad NA | > 0.26 | |
| Clad shape | PANDA with F-doped second cladding | |
| Clad absorption (915 nm), dB/m | > 5 | |
| Clad absorption (976 nm), dB/m | > 20 | |
| Core background loss (1150 nm), dB/km | < 50 | |
| Ability to maintain polarization, dB | > 10 | |
| Long term stability | Photodarkening-free | |
| Large mode area Yb-doped tapered fiber module | ||
| Characteristics | Thin end | Thick end |
| Core diameter, µm | 8.5 ± 1 | > 40 |
| Clad diameter, µm | 85 ± 10 | 400 ± 50 |
| Cutoff wavelength, µm | < 1.0 | – |
| MFD, µm | 10.0 ± 2.0 | > 25 (26-30 typical) |
| Core NA | 0.09 ± 0.01 | |
| Clad NA | > 0.26 | |
| Clad shape | PANDA with F-doped second cladding | |
| Clad absorption (915 nm), dB/m | > 5 | |
| Clad absorption (976 nm), dB/m | > 20 | |
| Core background loss (1150 nm), dB/km | < 50 | |
| Ability to maintain polarization, dB | > 10 | |
| Long term stability | Photodarkening-free | |
| Large mode area Yb-doped tapered fiber module | ||
| Characteristics | Thin end | Thick end |
| Core diameter, µm | 8.5 ± 1 | > 40 |
| Clad diameter, µm | 85 ± 10 | 400 ± 50 |
| Cutoff wavelength, µm | < 1.0 | – |
| MFD, µm | 10.0 ± 2.0 | > 25 (26-30 typical) |
| Core NA | 0.09 ± 0.01 | |
| Clad NA | > 0.26 | |
| Clad shape | PANDA with F-doped second cladding | |
| Clad absorption (915 nm), dB/m | > 5 | |
| Clad absorption (976 nm), dB/m | > 20 | |
| Core background loss (1150 nm), dB/km | < 50 | |
| Ability to maintain polarization, dB | > 10 | |
| Long term stability | Photodarkening-free | |
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