锁模掺铒光纤 meaning in English

ml-edf mode-locked erbium doped fiber

( 3 ) . the theoretical analysis and the experimental study on an active mode - locked fiber laser are conducted . the harmonic mode - locked pulses of 2 . 5ghz and 5ghz are achieved and the 2 - 4 order rational harmonic mode - locked pulses of 2 . 5ghz are researched in active mode - locked erbium - doped fiber ring lasers
( 3 )对主动锁模光纤激光器进行了理论分析和实验研究,在主动锁模掺铒光纤环形腔激光器中实现了2 . 5ghz 、 5ghz的谐波锁模,并在2 . 5ghz的调制频率下获得了二、三、四阶的有理数谐波锁模脉冲。