Axial sub-Fourier focusing of an optical beam

Thomas Zacharias; Barak Hadad; Alon Bahabad; Yaniv Eliezer

doi:10.1364/OL.42.003205

Axial sub-Fourier focusing of an optical beam

Thomas Zacharias, Barak Hadad, Alon Bahabad, Yaniv Eliezer^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

16 Scopus citations

Abstract

We demonstrate experimentally the generation of an optical beam having an axial focusing that is narrower than the Fourier limit. The beam is constructed from a superposition of Bessel beams with different longitudinal wave vectors, realizing a super-oscillatory axial intensity distribution. Such beams can be useful for microscopy and for optical particle manipulation.

Original language	English
Pages (from-to)	3205-3208
Number of pages	4
Journal	Optics Letters
Volume	42
Issue number	16
DOIs	https://doi.org/10.1364/OL.42.003205
State	Published - 15 Aug 2017

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abstract = "We demonstrate experimentally the generation of an optical beam having an axial focusing that is narrower than the Fourier limit. The beam is constructed from a superposition of Bessel beams with different longitudinal wave vectors, realizing a super-oscillatory axial intensity distribution. Such beams can be useful for microscopy and for optical particle manipulation.",

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Axial sub-Fourier focusing of an optical beam

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