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The generation of Bessel beams at millimetre-wave frequencies by use of an axicon |
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| Authors: | S Monk J Arlt D A Robertson J Courtial M J Padgett |
| Institution: | a School of Physics & Astronomy, University of St. Andrews, North Haugh, St. Andrews, Fife KY16 9SS, UK b Department of Physics & Astronomy, Kelvin Building, Glasgow University, Glasgow, G12 8QQ, UK |
| Abstract: | An axicon is used to generate a Bessel beam at 90 GHz in the millimetre-wave region of the spectrum. The Bessel beam has a central intensity maximum of approximately 4 mm in diameter that is maintained over a propagation distance greater than 60 mm. |
| Keywords: | Bessel beam Millimetre wave Axicon |
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