研究目的
Investigating the strong modification and reshaping of the Laguerre-Gaussian (LG) beam using a tailored magnetized plasma photonic crystal (PPC) and the influence of these periodic systems as well as external controller parameters on the shape of the twisted beam (TB).
研究成果
The study demonstrates the ability of magnetized PPCs to significantly modify and reshape LG beams through controlled external parameters. This opens new avenues for optical traps and plasma diagnostics using twisted beams.
研究不足
The study is limited to numerical analysis and does not include experimental validation. The effects are demonstrated under specific conditions of external magnetic field and plasma number density.
1：Experimental Design and Method Selection:
The study employs the angular spectrum expansion and 4 × 4 matrix method to investigate the interaction of LG beams with a magnetized PPC.
2：Sample Selection and Data Sources:
The PPC structure is constructed of SiO2, air, and a plasma defect layer with specific parameters.
3：List of Experimental Equipment and Materials:
The study uses a magnetized PPC with controlled external magnetic field and plasma number density.
4：Experimental Procedures and Operational Workflow:
The LG beam is incident on the PPC, and the reflected and transmitted beams are analyzed for shape modification.
5：Data Analysis Methods:
The intensity distribution and phase distribution of the output beams are analyzed numerically.
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