Testing of a femtosecond pulse laser in outer space

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We report a test operation of an Er-doped fibre femtosecond laser which was conducted for the first time in outer space. The fibre-based ultrashort pulse laser payload was designed to meet space-use requirements, undergone through ground qualification tests and finally launched into a low-earth orbit early in 2013. Test results obtained during a one-year mission lifetime confirmed stable mode-locking all the way through although the radiation induced attenuation (RIA) in the Er-doped gain fibre caused an 8.6% reduction in the output power. This successful test operation would help facilitate diverse scientific and technological applications of femtosecond lasers in space and earth atmosphere in the near future.
Publisher
NATURE PUBLISHING GROUP
Issue Date
2014-05
Language
English
Article Type
Article
Citation

SCIENTIFIC REPORTS, v.4

ISSN
2045-2322
DOI
10.1038/srep05134
URI
http://hdl.handle.net/10203/192587
Appears in Collection
RIMS Journal PapersME-Journal Papers(저널논문)
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