Numerical Simulation of Anomalous Vortex Beams on Different Fractional Fourier Transform Planes

Abstract:

The properties of fractional Fourier transform of anomalous vortex beams are studied. A new type of analytical expression of fractional Fourier transform for anomolous vortex beams is obtained. The properties of anomolous vortex beams on different fractional Fourier transform planes with different parameters are illustrated. The results show that the anomolous vortex beams always has a doughnut profile, the distribution of intensity on different fractional Fourier transform planes highly depends on the fractional order and the beam parameters, such as the beam order and the topological charge.

• Periodical: Applied Mechanics and Materials (Volumes 556-562)
• Pages: 3745-3748
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.556-562.3745
• Online since: May 2014
• Authors: Zhi Ping Dai, Zhen Feng Yang, Zhen Jun Yang*, Zhao Guang Pang, Shu Min Zhang
• Keywords: Anomalous Vortex Beam, Beam Propagation, Fractional Fourier Transform (FrFT)

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DOI: 10.1364/ol.32.003053