| Autor: |
Yuwei Li, Shuang Liu, Huan Zhan, Kun Peng, Shihao Sun, Jiali Jiang, Xiaolong Wang, Li Ni, Lei Jiang, Jianjun Wang, Feng Jing, Aoxiang Lin |
| Jazyk: |
angličtina |
| Rok vydání: |
2018 |
| Předmět: |
|
| Zdroj: |
IEEE Photonics Journal, Vol 10, Iss 4, Pp 1-8 (2018) |
| Druh dokumentu: |
article |
| ISSN: |
1943-0655 |
| DOI: |
10.1109/JPHOT.2018.2853665 |
| Popis: |
By a chelate precursor doping technique, we designed and fabricated an ytterbium/cerium codoped aluminosilicate fiber for noticeable suppression of photodarkening and demonstrated its laser performance. Cerium/ytterbium ions ratio of 0.5 was specially designed to mitigate photodarkening. Aluminum/fluorine ions ratio of 1 was devised to keep low numerical aperture of fiber core. The measurements showed the fiber core was homogeneously doped with ∼0.12 mol% Yb2O3, ∼0.05 mol% Ce2O3, ∼0.5 mol% Al2O3, and ∼0.2 mol% SiF4, respectively. Tested in a master oscillator power amplifier system, the fiber presented 1930 W laser output power with optical-to-optical efficiency of 79.2%. Stabilized at 1850 W for over 500 min, the output power presented a relatively small power degradation of |
| Databáze: |
Directory of Open Access Journals |
| Externí odkaz: |
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