材料科学
光纤激光器
光纤布拉格光栅
激光器
铥
光学
光电子学
磷
光纤
兴奋剂
纤维
色散位移光纤
光纤传感器
复合材料
波长
物理
作者
Jan Aubrecht,Pavel Peterka,Pavel Honzátko,Filip Todorov,Ondřej Podrazký,Michal Kamrádek,Jana Proboštová,Ivan Kašı́k
摘要
In this contribution we report and discuss the results of laser characterizations of experimental thulium-doped optical
fibers. These active fibers were fabricated in house and were tested in two laser systems to verify their characteristics.
The first one, a monolithic fiber laser, was of great interest to us due to its potentially lower overall resonator losses,
improved laser lifetime and better robustness. The compact laser cavities with a Bragg gratings inscribed directly into the
active optical fiber differs to the second laser system where the Bragg gratings were inscribed into a passive fiber which
had to be spliced to the active fiber. The tested fibers were manufactured by the modified chemical vapor deposition
method and a solution-doping of thulium ions with Al2O3 or alumina nanoparticles, respectively. We focused on
comparison of laser output powers, slope efficiencies, and laser thresholds for particular thulium-doped fiber in different
laser configurations.
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