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. (C) 1999 Elsevier Science B.V. All rights reserved.
Original language | English |
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Pages (from-to) | 213-215 |
Number of pages | 3 |
Journal | Optics Communications |
Volume | 170 |
Issue number | 4-6 |
DOIs | |
Publication status | Published - 1 Nov 1999 |
Keywords
- Bessel beam
- millimetre wave
- axicon