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RING OR LINEAR CAVITY OF ALL-FIBER-BASED ULTRA SHORT PULSE LASER SYSTEM AND METHOD OF OPERATING THE SAME
RING OR LINEAR CAVITY OF ALL-FIBER-BASED ULTRA SHORT PULSE LASER SYSTEM AND METHOD OF OPERATING THE SAME
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机译:基于全光纤的超短脉冲激光系统的环形腔或线性腔及其操作方法
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摘要
A ring-cavity or linear-cavity all-fiber-based ultra short pulse laser system and method of operating the same are provided. The all-fiber-based ultra short pulse laser system includes a pulse pump light source, a gain fiber, a first fiber signal pump combining unit, a broadband optical isolator, a fiber saturable absorber, an assistant light source, a second fiber signal pump combining unit, and a light coupling output. The first fiber signal pump combining unit is respectively connected to the pulse pump light source and the gain fiber to emit broadband amplified spontaneous emission, then the broadband amplified spontaneous emission passes through the broadband optical isolator. The second fiber signal pump combining unit is respectively connected to the assistant light source and the fiber saturable absorber. An ASE signal actively provides passive mode locking of the cavity, and the light coupling output partially outputs the laser. A dispersion fiber controls the temporal width.
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