Modeling of Bessel Beam Generation from Axicon with Round Tip

Bessel beams, due to their non-diffracting property, are drawing attentions for different applications. They are typically generated from axicons. An ideal axicon with infinite tip does not exist, and, in practice, an axicon comes with a rounded tip. In this example, we investigate the effect of the round tip on the generated Bessel beams, following the research work in [O. Brzobohatý, et al., Opt. Express 16, 12688-12700 (2008)]. Particularly, we simulate beam evolution along z and compare the results.

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