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Optics Letters

Optics Letters


  • Vol. 27, Iss. 21 — Nov. 1, 2002
  • pp: 1926–1928

Broadband space-variant Fresnel processor

G. Mínguez-Vega, J. Lancis, E. Tajahuerce, V. Climent, J. Caraquitena, and P. Andrés  »View Author Affiliations

Optics Letters, Vol. 27, Issue 21, pp. 1926-1928 (2002)

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We present a radically new class of optical setup working with white-light illumination, namely, a chromatically compensated processor operating in the Fresnel domain. The optical configuration is a hybrid (diffractive–refractive) three-lens system that exhibits an intermediate achromatic Fresnel plane and an output image plane without chromatic distortion. As a first application of this optical arrangement we develop a parallel space-variant color pattern-recognition experiment with white light.

© 2002 Optical Society of America

OCIS Codes
(050.1970) Diffraction and gratings : Diffractive optics
(070.4560) Fourier optics and signal processing : Data processing by optical means
(070.5010) Fourier optics and signal processing : Pattern recognition
(220.1000) Optical design and fabrication : Aberration compensation
(220.4830) Optical design and fabrication : Systems design

G. Mínguez-Vega, J. Lancis, E. Tajahuerce, V. Climent, J. Caraquitena, and P. Andrés, "Broadband space-variant Fresnel processor," Opt. Lett. 27, 1926-1928 (2002)

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