You Li, Junyong Zhang, Yanli Zhang, Shenlei Zhou, Jianqiang Zhu. In-Line Phase-Shifting Holography Technology Based on Multi-Focal Photon-Sieve Array[J]. Chinese Journal of Lasers, 2019, 46(3): 0309003
- Chinese Journal of Lasers
- Vol. 46, Issue 3, 0309003 (2019)
Fig. 1. Schematic of multi-focal photon-sieve array
Fig. 2. Diffraction fields at focal plane f3=160 mm. (a) Normalized intensity distribution; (b) phase distribution
Fig. 3. Schematic of measuring light path of phase-shifting digital holography
Fig. 4. Four-step phase-shifting digital holograms with different phases of plane reference light. (a) θ=0; (b) θ=π/2; (c) θ=π; (d) θ=3π/2
Fig. 5. Experimental result of resolution board. (a) Auto-focusing curve; (b) reconstructed image
Fig. 6. Experimental results of three-step phase-shifting. (a) Hologram of θ=0; (b) hologram of θ=2π/3; (c) hologram of θ=4π/3; (d) auto-focusing curve; (e) reconstructed image
Fig. 7. Experimental results of two-step phase-shifting. (a) Hologram of θ=0; (b) hologram of θ=π/5; (c) auto-focusing curve; (d) reconstructed image
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Table 1. Phase shifts of multi-focal photon-sieve array
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