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Optics Letters

Optics Letters

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  • Vol. 23, Iss. 8 — Apr. 15, 1998
  • pp: 633–635

Diffractive phase elements that synthesize color pseudo-nondiffracting beams

Rong Liu, Ben-Yuan Gu, Bi-Zhen Dong, and Guo-Zhen Yang  »View Author Affiliations


Optics Letters, Vol. 23, Issue 8, pp. 633-635 (1998)
http://dx.doi.org/10.1364/OL.23.000633


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Abstract

The design of diffractive phase elements (DPE's) for generating color pseudo-nondiffracting beams (PNDB's) in a multiple-wave illuminating system by the conjugate-gradient method is described. The axial-intensity distributions for dual-color PNDB's generated by the DPE's are shown. The color PNDB's behave as segmented axial-intensity distributions; in each of segments only one color persists. The sequence of wavelength components in the color PNDB's can be arbitrarily preset. Three-dimensional plots of a dual-color PNDB indicate the characteristics of a beam with high transverse resolution.

© 1998 Optical Society of America

OCIS Codes
(050.1970) Diffraction and gratings : Diffractive optics
(350.5030) Other areas of optics : Phase

Citation
Rong Liu, Ben-Yuan Gu, Bi-Zhen Dong, and Guo-Zhen Yang, "Diffractive phase elements that synthesize color pseudo-nondiffracting beams," Opt. Lett. 23, 633-635 (1998)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-23-8-633

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