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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 25, Iss. 1 — Jan. 1, 2000
  • pp: 1–3

Diffractive Alvarez lens

Ian M. Barton, Sham N. Dixit, Leslie J. Summers, Kenneth Avicola, and Julia Wilhelmsen  »View Author Affiliations


Optics Letters, Vol. 25, Issue 1, pp. 1-3 (2000)
http://dx.doi.org/10.1364/OL.25.000001


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Abstract

A diffractive Alvarez lens is demonstrated that consists of two separate phase plates, each having complementary 16-level surface-relief profiles that contain cubic phase delays. Translation of these two components in the plane of the phase plates is shown to produce a variable astigmatic focus. Both spherical and cylindrical phase profiles are demonstrated with good accuracy, and the discrete surface-relief features are shown to cause less than λ/10 wave-front aberration in the transmitted wave front over a 40 mm × 80 mm region.

© 2000 Optical Society of America

OCIS Codes
(010.1080) Atmospheric and oceanic optics : Active or adaptive optics
(050.1970) Diffraction and gratings : Diffractive optics
(220.1000) Optical design and fabrication : Aberration compensation
(220.3620) Optical design and fabrication : Lens system design
(220.3630) Optical design and fabrication : Lenses

Citation
Ian M. Barton, Sham N. Dixit, Leslie J. Summers, Kenneth Avicola, and Julia Wilhelmsen, "Diffractive Alvarez lens," Opt. Lett. 25, 1-3 (2000)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-25-1-1

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