Surface plasmon-enhanced two-photon excited whispering-gallery modes ultraviolet laser from Zno microwire
Source abstract
Abstract
The two-photon excited UV laser with narrow line width and high Q value was obtained. The total internal reflection from the four side surfaces of the quadrilateral-ZnO microwire offered the whispering gallery mode (WGM) resonant cavity. The UV emission, resonant mechanism, and laser mode characteristics were discussed in detail for this special type of micro-cavity. In addition, in order to enhance the power of the two-photon excited UV laser, the surface plasmon enhancement by the Au nanoparticles was also performed and explained well by the theory of the localized surface plasmon.
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Research context
OpenAlex topics: Photonic and Optical Devices · Advanced Fiber Laser Technologies · Nonlinear Optical Materials Studies
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Affiliations
State Key Laboratory of Luminescence and Applications, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences 1 , 3888 Dongnanhu Road, Changchun 130021, People’s Republic of China
2 National Key Laboratory of Shock Wave and Detonation Physics, Institute of Fluid Physics, China Academy of Engineering Physics, 621900 Mianyang, China
Funding
National Natural Science Foundation of China
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