Fig. 1. Wave vector layout for non-diffracting beam generation

Fig. 2. Optical lattices classified according to Bravais symmetry. (a) Square lattice; (b) rectangular lattice; (c) centered rectangular lattice; (d) oblique lattice; (e) hexagonal lattice

Fig. 3. Four description methods of square lattices. (a) Method 1; (b) method 2; (c) method 3; (d) method 4

Fig. 4. Schematic of simulation light path

Fig. 5. Determination of Gaussian source position

Fig. 6. Schematic of simulated light path

Fig. 7. Simulation result of fundamental square lattice

Fig. 8. Images after processing. (a) After filtering; (b) after binarization; (c) after centroid labelling

Fig. 9. Square detectors imaged after position change. (a) 150 mm; (b) 250 mm; (c) 350 mm; (d) 450 mm; (e) 550 mm

Fig. 10. Optical lattice images obtained by three methods. (a) Fundamental square lattice simulated by proposed method; (b) maximum symmetric combined fundamental square lattice simulated by proposed method; (c) first sparse square lattice simulated by proposed method; (d) fundamental square lattice simulated by function transfer method; (e) maximum symmetric combined fundamental square lattice simulated by function transfer method; (f) first sparse square lattice simulated by function transfer method; (