White light propagation invariant beams

P Fischer, Christian Thomas Alcuin Brown, J E Morris, C Lopez-Mariscal, E M Wright, Wilson Sibbett, Kishan Dholakia

Research output: Contribution to journalArticlepeer-review

50 Citations (Scopus)


Propagation invariant light fields such as Bessel light beams are of interest in a variety of current areas such as micromanipulation of atoms and mesoscopic particles, laser plasmas, and the study of optical angular momentum. Considering the optical fields as a superposition of conical waves, we discuss how the coherence properties of light play a key role in their formation. As an example, we show that Bessel beams can be created from temporally incoherent broadband light sources including a halogen bulb. By using a supercontinuum source we elucidate how the beam behaves as a function of bandwidth of the incident light field. (c) 2005 Optical Society of America.

Original languageEnglish
Pages (from-to)6657-6666
Number of pages10
JournalOptics Express
Issue number17
Publication statusPublished - 22 Aug 2005




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