Fig. 1. Diagram of TRP structure and optical path

Fig. 2. Diagram of prismatic ring resonator optical structure

Fig. 3. (a) Angular deviation of TRP; (b) optical path micro detuning caused by angular deviation; (c) model for revising beam transmission matrix

Fig. 4. Sketch of optical path non-coplanar in prismatic ring resonator

Fig. 5. Analytical models of optical path deviate from ideal position in sagittal surface. (a) Analytical model of TRP-1 central error of sphere; (b) spatial anomaly angle ξ

Fig. 6. Sketch of reflected and refracted optical paths with TRP Brewster angle in clockwise light

Fig. 7. Structural diagram of cavity adjustment system of prismatic ring resonator

Fig. 8. Dual-glass block for beam alignment incident device

Fig. 9. TRP position adjustment device

Fig. 10. Comparison of light attenuation structures before and after cavity adjustment. (a) Before adjusting; (b) after adjusting