Lingyi Wang, Kaikai Huang, Xian Zhang, Xuanhui Lu. Manipulation of Abruptly Autofocusing Property of Circular Airy Beam Carrying Hard-Edge Annular Aperture[J]. Laser & Optoelectronics Progress, 2020, 57(23): 232601
- Laser & Optoelectronics Progress
- Vol. 57, Issue 23, 232601 (2020)
Fig. 1. Schematic of Airy beam carring hard-edge aperture
Fig. 2. Propagation of Airy beam with hard-edge aperture. (a) Initial intensity distribution; (b) Airy beam main lobe intensity distribution; (c) Airy beam propagation diagram
Fig. 3. Intensity distributions. (a) Light intensity distribution of the z-axis after the plane wave passes through the aperture;(b)(c) light intensity distribution of the main lobe after the ideal and attenuated Airy beam enters the aperture
Fig. 4. Schematic of optical principle of annular aperture annular aperture CAB
Fig. 5. Light intensity distribution of CAB incident plane under annual aperture. (a) Radial intensity distribution; (b) two-dimensional distribution
Fig. 6. Numerical simulation results. (a) Light intensity change of self-focusing peak at zf with changing rt; (b) intensity distribution of CAB on z axis with A aperture and no aperture
Fig. 7. Main lobe intensity distribution of one-dimensional ideal Airy beam with correspond aperture
Fig. 8. Numerical simulation results. (a) Light intensity change of self-focusing peak at zf with changing rblock; (b) intensity distribution of CAB on z axis with strip aperture, B aperture, and no aperture
Fig. 9. Self-focusing peak light intensity enhancement of CAB at zf with three type apertures under different decay factors
Fig. 10. Initial CAB radial light intensity distribution. (a) α=0.01; (b) α=0.05
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