Journal
RESULTS IN PHYSICS
Volume 39, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.rinp.2022.105747
Keywords
Abruptly autofocusing; Second-order chirp; Elliptical Pearcey Gaussian Vortex beams; Multi-consecutive optical bottles
Funding
- National Natural Science Foundation of China [12174122, 12074224]
- Natural Science Foundation of Shandong Province [ZR2021YQ02, ZR2020MA087, ZR2020QA066]
- Guangdong provincial Natural Science Foundation of China [2022A1515011482]
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The study found that multiple consecutive optical bottles can be generated by controlling elliptical structure parameters and chirp factors. The focusing intensity, focal length, and transverse intensity distribution of CEPGV beams during propagation can be controlled.
The evolution of the chirped elliptical Pearcey Gaussian vortex (CEPGV) beams in free space is numerically investigated. The optical bottle and multi-consecutive optical bottles can be directly generated from an elliptical Pearcey Gaussian beam with central vortices and the second-order chirp. In particular, the focusing intensity of CEPGV beams will increase when the elliptical structure deflects larger or the ratio of the long axis to the short axis of the ellipse is larger. Furthermore, we can obtain multi-consecutive optical bottles by manipulating elliptical structure parameters and second-order chirp factors. In the meantime, the transverse intensity distributions at foci of CEPGV beams appear like a slit in a fixed direction. Our results show that the focusing intensity, the focal length and the transverse intensity distribution of CEPGV beams during the propagation can be controlled.
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