Millimetre-wave Bessel beams using computer holograms

J. Salo; J. Meltaus; E. Noponen; J. Westerholm; M. M. Salomaa; Anne Lönnqvist; Jussi Säily; Janne Häkli; J. Ala-Laurinaho; A. V. Räisänen

doi:10.1049/el:20010551

Millimetre-wave Bessel beams using computer holograms

J. Salo^*, J. Meltaus, E. Noponen, J. Westerholm, M. M. Salomaa, Anne Lönnqvist, Jussi Säily, Janne Häkli, J. Ala-Laurinaho, A. V. Räisänen

^*Corresponding author for this work

Not published at VTT

Aalto University

Research output: Contribution to journal › Article › Scientific › peer-review

47 Citations (Scopus)

Abstract

A computer-generated binary amplitude hologram is used to transform an initial Gaussian electromagnetic field with spherical phase front at 310 GHz into a non-diffracting Bessel beam. The beam profile is measured with the help of a near field scanner. In contrast to the situation in the optical region, both amplitude and phase information is readily obtainable from the generated field.

Original language	English
Pages (from-to)	834-835
Journal	Electronics Letters
Volume	37
Issue number	13
DOIs	https://doi.org/10.1049/el:20010551
Publication status	Published - 21 Jun 2001
MoE publication type	A1 Journal article-refereed

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10.1049/el:20010551

Cite this

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abstract = "A computer-generated binary amplitude hologram is used to transform an initial Gaussian electromagnetic field with spherical phase front at 310 GHz into a non-diffracting Bessel beam. The beam profile is measured with the help of a near field scanner. In contrast to the situation in the optical region, both amplitude and phase information is readily obtainable from the generated field.",

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AU - Salo, J.

AU - Meltaus, J.

AU - Noponen, E.

AU - Westerholm, J.

AU - Salomaa, M. M.

AU - Lönnqvist, Anne

AU - Säily, Jussi

AU - Häkli, Janne

AU - Ala-Laurinaho, J.

AU - Räisänen, A. V.

PY - 2001/6/21

Y1 - 2001/6/21

N2 - A computer-generated binary amplitude hologram is used to transform an initial Gaussian electromagnetic field with spherical phase front at 310 GHz into a non-diffracting Bessel beam. The beam profile is measured with the help of a near field scanner. In contrast to the situation in the optical region, both amplitude and phase information is readily obtainable from the generated field.

AB - A computer-generated binary amplitude hologram is used to transform an initial Gaussian electromagnetic field with spherical phase front at 310 GHz into a non-diffracting Bessel beam. The beam profile is measured with the help of a near field scanner. In contrast to the situation in the optical region, both amplitude and phase information is readily obtainable from the generated field.

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JO - Electronics Letters

JF - Electronics Letters

IS - 13

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Millimetre-wave Bessel beams using computer holograms

Abstract

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