期刊
IEEE PHOTONICS JOURNAL
卷 4, 期 1, 页码 174-180出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/JPHOT.2011.2182338
关键词
Beam propagation; nondiffracting beam
资金
- National Research Foundation
- Ministry of Education, Science, and Technology of Korea
- National Research Foundation of Korea [2007-0054847] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
We investigate the propagation dynamics of radially symmetric, circular Airy beams through a medium having linear optical potentials. On the basis of analytic expressions and numerical calculations, we show that off-axis autofocusing can be implemented. We also show that we can shift the field distributions of Bessel-like circular Airy beams transversely via the introduction of appropriate linear potentials. Furthermore, by a suitable choice of initial launch condition, the focal length of the autofocusing beam can be modulated.
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