A S Ostrovsky et al 2003 J. Opt. A: Pure Appl. Opt. 5 S276 doi:10.1088/1464-4258/5/5/378
A S Ostrovsky1, G Martínez-Niconoff2 and J C Ramírez-San-Juan2
Show affiliationsPropagation-invariant fields of the third kind (PIFs-III) are defined on the basis of a modal theory proposed recently by the authors. We show the existence of specific PIFs-III termed light string and light capillary beams, which are characterized by the extremely sharply localized transverse intensity distribution propagating in free space without expansion. A technique for generating the PIFs-III is proposed and its capacity is demonstrated by experimental results for the optical synthesis of the light string and light capillary beams.
Issue 5 (September 2003)
Received 11 November 2002
Published 22 August 2003
A S Ostrovsky et al 2003 J. Opt. A: Pure Appl. Opt. 5 S276
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