Gui Xin Li, Shu Mei Chen, Yuan Cai, Shuang Zhang and Kok Wai Cheah Third Harmonic Generation of Optical Vortices Using Holography-Based Gold-Fork Microstructure Advanced Optical Materials 2
The vortex beam of SHG and THG are experimentally investigated using a holography-based gold-fork microstructure. The combination of the gold-fork microstructure with an organic thin film provides a new concept for producing harmonic generation of optical vortices, beam splitting of the nonlinear optical process, etc. The miniature metal–organic fork microstructure also opens new avenues for the integration of more optical functionalities into nonlinear optoelectronic devices.
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