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ULTRASHORT PULSE FIBER AMPLIFIER WITH RARE-EARTH DOPED GAIN FIBERS
ULTRASHORT PULSE FIBER AMPLIFIER WITH RARE-EARTH DOPED GAIN FIBERS
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机译:掺有稀土掺杂增益纤维的超短脉冲光纤放大器
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摘要
Ultrashort pulse fiber amplifier having a pulse width from 200 ps to 200 fs comprising a rare earth oxide doped multicomponent glass fibers for laser amplification, including a core and a cladding, the core comprising at least 2 weight percent glass network modifier selected from BaO, CaO, MgO, ZnO, PbO, K2O, Na2O, Li2O, Y2O3, or combinations; wherein the mode of the core is guided with step index difference between the core and the cladding, a numerical aperture of the fiber is between 0.01 and 0.04; core diameter is from about 60 microns to about 150 microns, and a length of the gain fiber is shorter than 60 cm.
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