Fig. 1. Holograms of 0~3 order Bessel beams and transverse light fields

Fig. 2. Hologram of Bessel beams at different positions

Fig. 3. Schematic diagram of parallel splicing method

Fig. 4. Schematic diagram of Dammann grating and axicon phase superposition method

Fig. 5. Schematic diagram of optical path

Fig. 6. 3×3 Bessel beam array hologram obtained by the proposed method and the traditional method

Fig. 7. 3D and 2D images and transverse profile of light intensity of Bessel beam array generated by the proposed method and the traditional method

Fig. 8. The diffraction pattern of Bessel beam array generated by the proposed method and the traditional method at 120 mm，130 mm and 140 mm positions along the transmission direction

Fig. 9. The light intensity profile of the proposed method and the traditional method at 120 mm，130 mm and 140 mm positions along the transmission direction

Fig. 10. The sectional field distribution of Bessel beam array along the transmission direction generated by the proposed method and the traditional method

Fig. 11. Experimental light path diagram

Fig. 12. The experimental results of Bessel beam array generated by the proposed method and the traditional method at 120 mm，130 mm and 140 mm positions along the transmission direction