## 4 Conclusions  
In this paper, cutting experiments were carried out on soda-time glass using different laser-processing parameters, and a series of characterization tests were carried out on the samples. In this study, the effect of different processing point spacings on the cross-sectional quality of the samples was first investigated. We found that when the point spacing is large, the sample fracture is mainly caused by the extension of cracks between the processing points, the Bessel beam produces high-aspect-ratio nanochannels when performing the modification, and the energy absorption mainly occurs in the main flap. The results of the roughness characterization indicate that the overall processing quality is best when the processing point spacing is 1 \(\upmu\)m. Secondly, the effect of different laser injection energies on the cross-sectional quality of the samples was investigated in this paper, and the most suitable incident laser power for this experiment was obtained as 11.5 W. The increase in both processing point spacing and laser injection power resulted in greater differences in the roughness of different areas of the samples. Combined with the data analysis, the point spacing was a greater factor in the overall cross-section roughness when cutting could be achieved. Then, the laser processing quality was investigated with regard to different numbers of burst modes, and it was found that the best processing quality was obtained for the burst mode number of 2. It was hypothesized from other articles that this variation was due to the fact that the first pulse produces plasma consisting of free electrons and holes or ions that decayed into self-trapped excitons and color cores. These defects increase the absorption efficiency of the second pulse. When the number of burst modes is further increased, the energy distributed by a single laser pulse decreases, resulting in non-uniform local ablation modification, which affects the processing quality of the cross-section.  
When the sample was incompletely modified, the roughness and breaking strength had the same trend, as shown in Sections 3.1 and 3.3, and when the modification was more complete, the breaking strength was stabilized at about 10 N.  
In this study, the processing index of roughness was practically improved by changing the corresponding processing parameters. In this experiment, when the processing laser frequency was set to 100 kHz, the laser power was 11.5 W, the processing point spacing was 1 \(\upmu\)m, and the number of burst mode was 2, the soda-time glass achieved excellent processing results, realizing an average roughness of 158 nm and a local minimum roughness of 141 nm. It was proved that the mastery and reasonable use of processing parameters had obvious effects on improving the processing quality of the samples.  
[PERSON]. ([PERSON]) and [PERSON] designed this project and carried out most of the experiments and data analysis. [PERSON] and [PERSON] performed part of the experiments and helped with discussions during manuscript preparation. [PERSON]. ([PERSON]) revised the paper. [PERSON]. ([PERSON]), [PERSON] and [PERSON] gave suggestions on project management and provided helpful discussions on the experimental results. [PERSON] supported the equipment and materials for the experiments. All authors have read and agreed to the published version of the manuscript.  
This research was funded by the National Key R&D Program of China (No. 2018 YFB0407100), the Natural Science Foundation of China (No. 62005041, No. 62241502), the Natural Science Foundation of Guangdong Province (No. 2018A030310662), and the Guangdong Provincial Department of Education Key Fields Special Project (No. 2022 ZDZX3040).  
Not applicable.  
The original contributions presented in the study are included in the article, further inquiries can be directed to the corresponding author.  
The authors declare no conflicts of interest.