Fig. 1. Parallelized STED simplified perfect optical system model of microscopic imaging system

Fig. 2. Theoretical calculation results. (a)Derived function of parallelized fluorescence depletion patterns periodicity dP/du with inclination angle of object space u; (b) parallelized fluorescence depletion patterns periodicity P and the optimum tube lens focal length f_optimum with inclination angle of object space u

Fig. 3. Simulation results of parallelized fluorescence depletion patterns. (a) Interference patterns produced by horizontal polarization STED beams in focus; (b)interference patterns produced by vertical polarization STED beams in focus; (c) parallelized fluorescence depletion patterns produced by all STED beams in focus