High-Energy Mode-Locked All-Fiber Laser with Ultralong Resonator

被引:56
作者
Kobtsev, S. M. [1 ]
Kukarin, S. V. [1 ]
Smirnov, S. V. [1 ]
Fedotov, Y. S. [1 ]
机构
[1] Novosibirsk State Univ, Novosibirsk 630090, Russia
关键词
TI-SAPPHIRE OSCILLATOR; Q-SWITCHED FIBER; SUPERCONTINUUM GENERATION; DOPED FIBER; RING LASER; HIGH-POWER; DISPERSION; LOCKING; PULSES;
D O I
10.1134/S1054660X10040067
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
The first experimental results on an all-fiber mode-locked ytterbium laser whose ultralong cavity has a length of 8 km are presented. An increase in the length of the laser cavity at a constant mean power of radiation makes it possible to increase the pulse energy by more than two orders of magnitude to a level of 4 mu J, which is record-high for the pulses generated by a fiber mode-locked master oscillator in the absence of Q-switching. A pulse repetition rate of 37 kHz is the record-low repetition rate for the mode-locked lasers. The numerical simulation of the lasing in the absence of extension fiber yields a possibility of a wide-range variation in the pulse duration due to the tuning of the intracavity polarization controllers. The simulation results are in qualitative agreement with the experimental data.
引用
收藏
页码:351 / 356
页数:6
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