Novel type mode-locked laser
作者： Hou Jia , Yang Ying , Xu Jinlong , Zhang Baitao , He Jingliang
DOI:
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摘要: A novel type mode-locked laser comprises a pumping source, coupled system, gain medium and resonant cavity. Two semiconductor saturable absorber mirrors (SESAM) adopted in the cavity is capable of achieving stable ultrashort pulse output. One SESAM highly reflecting oscillation light The other has certain transmittance light. Pumping pumps after passing by system. one saturated cavity, then started two SESAMs are finally output outside through coupling transmission-type SESAM. simultaneously have functions starting maintaining pulse. advantages being having no need external circuit feedback or manual control, effectively improving stability reliability continuous greatly reducing cost, overcoming defects existing single laser, compact structure, simple practicable system easy to popularize engineering approaches.
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