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A Comparison of Propagation Between Apertured Bessel and Gaussian beams

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Abstract

A true Bessel beam is a family of diffraction-free beams. Thus the most interesting and attractive characteristic of such beam is non-diffracting propagation. In optics, the comparisons of maximum propagation distance had been done between Bessel and Gaussian beams by Durnin and Sprangle, respectively. However, the results obtained by them are conflict due to the difference between their criteria. Because Bessel beams have many potential applications in millimeter wave bands, therefore, it is necessary and significant that the comparison is carried out at these bands. A new contrast criterion at millimeter wavelengths is proposed in our paper. Under this criterion, the numerical results are presented and a new conclusion is drawn.

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Acknowledgments

This work is supported by the Natural Science Foundation of Fujian Province of China (No.A0610027), and the key project of Quanzhou city science and technology Program (No.2008G13).

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Authors and Affiliations

  1. Deparment of Electronic Engineering, Jiangxi Polytechnic College, Pingxiang, 337055, China

    Mei Lin

  2. State Key Lab of Millimeter Waves, Southeast University, Nanjing, 210096, China

    Yanzhong Yu

  3. School of Science, Quanzhou Normal University, Quanzhou, 362000, China

    Yanzhong Yu

Authors
  1. Mei Lin
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  2. Yanzhong Yu
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Correspondence to Yanzhong Yu.

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Lin, M., Yu, Y. A Comparison of Propagation Between Apertured Bessel and Gaussian beams. J Infrared Milli Terahz Waves 30, 410–416 (2009). https://doi.org/10.1007/s10762-009-9464-z

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  • DOI: https://doi.org/10.1007/s10762-009-9464-z

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