Fig. 1. Schematic diagram of CO₂ laser processing glass tube system

Fig. 2. Flow chart of simulation calculation method

Fig. 3. Three-dimensional diagram of energy Gaussian distribution

Fig. 4. Finite element model of laser-processed high borosilicate glass tubes

Fig. 5. Temperature field simulation diagram of CO₂ laser irradiated high borosilicate glass

Fig. 6. Temperature change law of different positions of glass tube with time under CO₂ laser action

Fig. 7. Surface temperature distributions of high borosilicate glass tubes under action of CO₂ laser with different laser powers

Fig. 8. Change law of surface temperature of high borosilicate glass tube with time under action of CO₂ laser with different laser powers

Fig. 9. Surface temperature distribution law of high borosilicate glass tubes under action of CO₂ laser with different laser spot radii

Fig. 10. Radial temperature distribution law of high borosilicate glass tubes under action of CO₂ laser with different laser spot radii

Fig. 11. Surface temperature distribution law of glass tubes with different rotational speeds under action of CO₂ laser