Title

Spectral Anomalies At Wave-Front Dislocations

Abstract

In a recent Letter, Gbur, Visser, and Wolf [Phys. Rev. Lett. 88, 013901 (2002)] predict that remarkable spectral changes can take place in the neighborhood of phase singularities of a diffracted focused wave. We report here the experimental observation of this anomalous spectral behavior and show that this is a general characteristic of optical vortices. Using a high-resolution interferometric technique, we are able to measure directly both the spectral intensity distribution and the spectral phase at the singular points of optical waves. © 2002 The American Physical Society.

Publication Date

1-1-2002

Publication Title

Physical Review Letters

Volume

88

Issue

18

Number of Pages

4-

Document Type

Article

Personal Identifier

scopus

DOI Link

https://doi.org/10.1103/PhysRevLett.88.183902

Socpus ID

85038326038 (Scopus)

Source API URL

https://api.elsevier.com/content/abstract/scopus_id/85038326038

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