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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 19, Iss. 21 — Nov. 1, 1994
  • pp: 1687–1689

Diffractive optics: the gradial zone lens

David P. Hamblen  »View Author Affiliations


Optics Letters, Vol. 19, Issue 21, pp. 1687-1689 (1994)
http://dx.doi.org/10.1364/OL.19.001687


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Abstract

A gradial zone lens has the diffractive component within the bulk lens rather than as a surface-relief profile. It is constructed by spin molding annular zones from microliter volumes of monomers injected into a rotating mold. Plastic lenses have micrometer width zones with dimensions that give a phase difference of modulo 2π. A gradial lens made with flat surfaces shows a series of foci similar to those of a radially blazed grating; however, when zones are placed within a plano–convex lens, there is an additive contribution from both refractive and diffractive focusing.

© 1994 Optical Society of America

History
Original Manuscript: May 13, 1994
Published: November 1, 1994

Citation
David P. Hamblen, "Diffractive optics: the gradial zone lens," Opt. Lett. 19, 1687-1689 (1994)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-19-21-1687


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References

  1. D. A. Buralli, G. M. Morris, Appl. Opt. 30, 2151 (1991). [CrossRef] [PubMed]
  2. D. Faklis, G. M. Morris, in The Photonics Design and Applications Handbook, Photon. Spectra Mag. 3, H-365 (1992).
  3. G. J. Swanson, “Binary optics technology: the theory and design of multi-level diffractive optical elements,” Tech. Reps. 854 and 914 (MIT Lincoln Laboratory, Lexington, Mass., 1989/1991).
  4. J. L. Bello, D. P. Hamblen, “Apparatus for fabricating GRIN lens elements by spin molding,” U.S. patent5,244,371 (September14, 1993).

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