研究目的
Investigating the generation of tangentially and radially polarized laser radiations using two pairs of positive and negative axicons.
研究成果
The study successfully demonstrated the generation of tangentially and radially polarized laser beams with high polarization purity using a resonator cavity consisting of only axicons. This method offers a novel approach to producing cylindrical vector beams with potential applications in various fields.
研究不足
The study focuses on the generation of tangentially and radially polarized beams in solid-state lasers using axicons, with potential areas for optimization in resonator design and polarization purity enhancement.
1：Experimental Design and Method Selection:
The study utilized a novel method involving two pairs of positive and negative axicons to generate tangentially and radially polarized laser radiations.
2：Sample Selection and Data Sources:
A 3 mm thick, 1% at. Nd:YAG crystal was used as the gain medium.
3：List of Experimental Equipment and Materials:
The setup included fiber-coupled diode lasers, plano-convex lenses, positive and negative axicons, and a Nd:YAG crystal.
4：Experimental Procedures and Operational Workflow:
The pump radiation was focused through positive and negative axicons into the active medium, with specific coatings and configurations to produce the desired polarizations.
5：Data Analysis Methods:
The output power and polarization purity were measured using a powermeter and polarization analyzer, respectively.
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