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Generation of Nearly Diffraction-Free Beams Using a New Optical System

  • OPTICAL SYSTEMS AND TECHNOLOGIES
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Abstract

A new optical system which can efficiently generate the nearly diffraction-free beams is proposed and its characteristics are investigated by numerical analysis. This optical system consists of a new optical element called a DCC (double-concave-cone) lens and an objective lens with a large numerical aperture, and can generate the Bessel beam and also the Bessel-Gauss beam. The maximum propagation distance of nearly diffraction-free beams generated by the system agrees with its theoretical value for the Bessel beam.

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Authors and Affiliations

  1. Division of System Science, The Graduate School of Science and Technology, Kobe University Rokkodai-cyo, Nada-ku, Kobe, 657, Japan

    Keizo Kono & Takumi Minemoto

  2. Imaging Systems Laboratory, Mitsubishi Electric Corp. Babazusyo, Nagaokakyo-shi, Kyoto, 617, Japan

    Keizo Kono & Mitsuru Irie

Authors
  1. Keizo Kono
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  2. Mitsuru Irie
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  3. Takumi Minemoto
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Correspondence to Keizo Kono.

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Kono, K., Irie, M. & Minemoto, T. Generation of Nearly Diffraction-Free Beams Using a New Optical System. OPT REV 4, 423–428 (1997). https://doi.org/10.1007/s10043-997-0423-4

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  • DOI: https://doi.org/10.1007/s10043-997-0423-4

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