外文题目: Conical refraction, for annular pumping of an efficient vortex Nd:YAG laser
作者: Li, Guiyun; Xia, Kegui; Wang, Zhongyang; Shen, Hao; Shirakawa, Akira; Ueda, Ken-ichi; Li, Jianlang
刊名: Laser Phys. Lett.
年: 2017 卷: 14 期: 7
英文关键词:
Laguerre-Gaussian mode; annular pumping; conical refraction; solid-state laser; neodymium: YAG laser
ORBITAL ANGULAR-MOMENTUM; LIGHT-BEAMS; OPTICAL VORTICES; DIFFRACTION; GENERATION; DISLOCATIONS; INTERFERENCE; MANIPULATION; PARTICLES
英文摘要:
We presented a proof-of-concept investigation upon an end-pumped and vortex Nd:YAG laser. In this laser, for the first time, the conical refraction (CR) ring of a biaxial KGd(WO4)(2) crystal was used for annular pumping. Owing to nearly 100% conversion efficiency in forming the CR ring, the Nd: YAG laser was highly efficient and emitted LG(01)-mode vortex light with 177.5 mW beam power and 65% slope efficiency. This study showed the CR ring pumping would favor the production of a compact, simple and efficient vortex laser. It is expected that, in future, the CR ring pumping technique would also facilitate the high-power vortex solid-state laser where a long gain medium is required.


文献类型: 期刊论文
正文语种: English
收录类别: SCI
DOI: 10.1088/1612-202X/aa6ef6


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