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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 51, Iss. 10 — Apr. 1, 2012
  • pp: 1619–1630

Three-dimensional Dammann array

Junjie Yu, Changhe Zhou, Wei Jia, Wugang Cao, Shaoqing Wang, Jianyong Ma, and Hongchao Cao  »View Author Affiliations


Applied Optics, Vol. 51, Issue 10, pp. 1619-1630 (2012)
http://dx.doi.org/10.1364/AO.51.001619


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Abstract

We demonstrate a scheme that can produce a three-dimensional (3D) focus spot array in a 3D lattice structure, called a 3D Dammann array, in focal region of an objective. This 3D Dammann array is generated by using two separate micro-optical elements, a Dammann zone plate (DZP) that produces a series of coaxial focus spots and a conventional two-dimensional (2D) Dammann grating (DG). A simple, fast, and clear method is presented to design this binary pure-phase ( 0 , π ) DZP in vectorial Debye theory regime. Based on this kind of DZP, one can always obtain a 3D Dammann array both for low and high numerical aperture (NA) focusing objectives. For experimental demonstration, an arrangement combining a DZP, a 2D DG, and a pair of opposing lenses is proposed to generate a 5 × 5 × 5 Dammann array in focal region of an objective with NA = 0.127 and another 6 × 6 × 7 Dammann array for an objective of NA = 0.66 . It is shown that this arrangement makes it possible to achieve 3D Dammann arrays with micrometer-sized focus spots and focus spacings of tens of micrometers for various practical applications, such as 3D parallel micro- and nanomachining, 3D simultaneous optical manipulation, 3D optical data storage, and multifocal fluorescence microscope, etc.

© 2012 Optical Society of America

OCIS Codes
(050.1970) Diffraction and gratings : Diffractive optics
(140.3300) Lasers and laser optics : Laser beam shaping
(220.4000) Optical design and fabrication : Microstructure fabrication
(230.1360) Optical devices : Beam splitters
(220.4241) Optical design and fabrication : Nanostructure fabrication
(050.6875) Diffraction and gratings : Three-dimensional fabrication

ToC Category:
Diffraction and Gratings

History
Original Manuscript: December 19, 2011
Manuscript Accepted: January 6, 2012
Published: March 30, 2012

Virtual Issues
Vol. 7, Iss. 6 Virtual Journal for Biomedical Optics

Citation
Junjie Yu, Changhe Zhou, Wei Jia, Wugang Cao, Shaoqing Wang, Jianyong Ma, and Hongchao Cao, "Three-dimensional Dammann array," Appl. Opt. 51, 1619-1630 (2012)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-51-10-1619

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