All-incoherent dispersion-compensated optical correlator
Optics Letters, Vol. 24, Issue 19, pp. 1331-1333 (1999)
http://dx.doi.org/10.1364/OL.24.001331
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Abstract
We report on a simple, spatially incoherent, wavelength-independent imaging system that, in contrast to the conventional case, exhibits a dispersion-compensated point-spread function. Our hybrid (diffractive–refractive) three-lens imaging configuration thus acts as an all-incoherent dispersion-compensated optical irradiance correlator. So the optical arrangement is well adapted to processing color information (both spatially and temporally incoherent) under natural illumination.
© 1999 Optical Society of America
[Optical Society of America ]
OCIS Codes
(050.1970) Diffraction and gratings : Diffractive optics
(070.4550) Fourier optics and signal processing : Correlators
(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
Citation
P. Andrés, V. Climent, J. Lancis, G. Mínguez-Vega, E. Tajahuerce, and A. W. Lohmann, "All-incoherent dispersion-compensated optical correlator," Opt. Lett. 24, 1331-1333 (1999)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-24-19-1331
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