Conical dynamics of Bessel beams
- 1 July 2007
- journal article
- Published by SPIE-Intl Soc Optical Eng in Optical Engineering
- Vol. 46 (7), 078001-078001-9
- https://doi.org/10.1117/1.2752167
Abstract
We present an analysis of the dynamics of conical waves partially obstructed by opaque objects. The analysis yields the incoming and outgoing conical waves that form the Bessel beams (or any other propagation-invariant beams) when opaque obstructions are set on and off axis. The results show that the invariance of Bessel beams with finite transverse extension is no longer maintained under the mentioned conditions.Keywords
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