Yanke Li, Yu Zou, Zhaojin Guo, Sheng Liu, Peng Li, Bingyan Wei, Dandan Wen, Jianlin Zhao. Constructing arbitrary self-similar Bessel-like beams via transverse-longitudinal mapping[J]. Chinese Optics Letters, 2024, 22(2): 022601
- Chinese Optics Letters
- Vol. 22, Issue 2, 022601 (2024)
Fig. 1. Schematic of (a) transverse-to-longitudinal mapping of Bessel beam and (b) generation of self-similar Bessel-like beam.
Fig. 2. Propagation process of a zeroth-order Bessel-like beam with linearly varying beam width. (a), (b) Side view of the simulated and experimental propagation process; (c) FWHM versus propagation distance; (d)–(f) intensity cross sections at different propagating distances.
Fig. 3. Same as in Fig. 2 but for piecewise beam width.
Fig. 4. Same as in Fig. 3 but for sinusoidal beam width.
Fig. 5. Propagation process of first- to third-order self-similar vortex Bessel-like beams with sinusoidally varied beam width; (a)–(f) side view of the simulated and experimental propagation process; (g)–(i) corresponding beam width versus propagation distance.
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