Diffraction-free beams
Abstract
It was recently predicted that nondiffracting beams, with beam spots as small as a few wavelengths, can exist and propagate in free space. We report the first experimental investigation of these beams.
- Publication:
-
Physical Review Letters
- Pub Date:
- April 1987
- DOI:
- 10.1103/PhysRevLett.58.1499
- Bibcode:
- 1987PhRvL..58.1499D
- Keywords:
-
- Bessel Functions;
- Light Beams;
- Wave Diffraction;
- Plane Waves;
- Quantum Mechanics;
- Wave Propagation;
- Optics;
- 03.50.-z;
- 03.65.-w;
- 41.10.Hv;
- 42.10.Hc;
- Classical field theories;
- Quantum mechanics