Nonparaxial Airy beams: role of evanescent waves
Optics Letters, Vol. 34, Issue 21, pp. 3430-3432 (2009)
http://dx.doi.org/10.1364/OL.34.003430
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Abstract
We report on the propagation dynamics of Airy light beams under nonparaxial conditions. The partial waves forming the Airy beam can be divided into two parts, the first of which contains only propagating waves, while the second part consists of evanescent waves. In this Letter we propose the concept of the evanescent Airy beam. We analyze the structure of the ideal evanescent Airy beam, the initial profile of which has the Airy form, while its spectral decomposition consists of only evanescent partial waves. Also, we discuss the refraction of the Airy beam through an interface and investigate the field of the transmitted Airy beam.
© 2009 Optical Society of America
OCIS Codes
(260.0260) Physical optics : Physical optics
(350.5500) Other areas of optics : Propagation
ToC Category:
Physical Optics
History
Original Manuscript: August 21, 2009
Revised Manuscript: October 5, 2009
Manuscript Accepted: October 7, 2009
Published: October 30, 2009
Citation
Andrey V. Novitsky and Denis V. Novitsky, "Nonparaxial Airy beams: role of evanescent waves," Opt. Lett. 34, 3430-3432 (2009)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-34-21-3430
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