Numerical aperture invariant focus shaping using spirally polarized beams

Bing Hao; James Leger

doi:10.1016/j.optcom.2007.11.093

Numerical aperture invariant focus shaping using spirally polarized beams

Bing Hao, James Leger

Electrical and Computer Engineering

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

23 Scopus citations

Abstract

The concept of spiral polarization is proposed as an extension of the generalized cylindrical vector beam. The focusing properties of this spatially variant polarization under high NA are studied. It can be shown that with one such polarization, the focus maintains a flat-top intensity shape independent of NA from NA = 0.82 up to NA = 0.95.

Original language	English (US)
Pages (from-to)	1924-1928
Number of pages	5
Journal	Optics Communications
Volume	281
Issue number	8
DOIs	https://doi.org/10.1016/j.optcom.2007.11.093
State	Published - Apr 15 2008

Keywords

Cylindrical vector beams
Image formation theory
Laser beam shaping
Optical confinement and manipulation
Polarization

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10.1016/j.optcom.2007.11.093

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title = "Numerical aperture invariant focus shaping using spirally polarized beams",

abstract = "The concept of spiral polarization is proposed as an extension of the generalized cylindrical vector beam. The focusing properties of this spatially variant polarization under high NA are studied. It can be shown that with one such polarization, the focus maintains a flat-top intensity shape independent of NA from NA = 0.82 up to NA = 0.95.",

keywords = "Cylindrical vector beams, Image formation theory, Laser beam shaping, Optical confinement and manipulation, Polarization",

author = "Bing Hao and James Leger",

year = "2008",

month = apr,

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doi = "10.1016/j.optcom.2007.11.093",

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AU - Hao, Bing

AU - Leger, James

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N2 - The concept of spiral polarization is proposed as an extension of the generalized cylindrical vector beam. The focusing properties of this spatially variant polarization under high NA are studied. It can be shown that with one such polarization, the focus maintains a flat-top intensity shape independent of NA from NA = 0.82 up to NA = 0.95.

AB - The concept of spiral polarization is proposed as an extension of the generalized cylindrical vector beam. The focusing properties of this spatially variant polarization under high NA are studied. It can be shown that with one such polarization, the focus maintains a flat-top intensity shape independent of NA from NA = 0.82 up to NA = 0.95.

KW - Cylindrical vector beams

KW - Image formation theory

KW - Laser beam shaping

KW - Optical confinement and manipulation

KW - Polarization

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DO - 10.1016/j.optcom.2007.11.093

M3 - Article

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VL - 281

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JO - Optics Communications

JF - Optics Communications

IS - 8

ER -

Numerical aperture invariant focus shaping using spirally polarized beams

Abstract

Keywords

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