研究目的
Investigating the generation and control of vector Mathieu beams with controllable polarization for laser material processing applications.
研究成果
The study successfully presents a flexible theoretical technique for creating controlled axial profiles of vector optical knives with independent axial intensity profiles and polarization orientation. Preliminary results indicate the potential for further development in generating vector Mathieu beams for laser material processing applications.
研究不足
Physical limitations of the experimental system, such as the dimensions of the liquid crystal matrix in the SLM, affect the representation of the complex structure of the spatial spectrum and cause interference between adjacent optical knives.
1：Experimental Design and Method Selection:
The study employs the LMN method to describe electric fields of vector Mathieu beams and uses spatial light modulators (SLMs) for experimental generation.
2：Sample Selection and Data Sources:
Theoretical models and numerical simulations are used alongside experimental data from SLM-generated beams.
3：List of Experimental Equipment and Materials:
Includes a 100 mW, 532 nm CW DPSS laser, phase-only spatial light modulator (PLUTOVIS-006-A, HOLOEYE Photonics AG), and various optical components.
4：Experimental Procedures and Operational Workflow:
The setup involves generating Mathieu beams using SLMs, capturing and recording the beam profile with imaging systems, and analyzing the spatial spectrum and intensity distributions.
5：Data Analysis Methods:
Fourier transform and numerical modeling are used to analyze the spatial spectrum and intensity distributions of the beams.
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