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- W2092596064 abstract "A lens in conjunction with a multiplexed set of Fresnel lenses (FL) can significantly reduce the sensitivity of an optical system to defocus aberrations. Each FL is considered as a corrective lens with a slightly different focal length. Thus for a fixed detector plane, there is a set of object planes for which the composite lens provides perfect imaging. The various FLs are multiplexed using code division multiple access procedure. The resulting image is analyzed in this paper. One obtains a significant improvement of depth of field, albeit coupled with a reduction of resolution and image contrast." @default.
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- W2092596064 date "2003-11-18" @default.
- W2092596064 modified "2023-09-26" @default.
- W2092596064 title "All-optical extended focus imaging system" @default.
- W2092596064 doi "https://doi.org/10.1117/12.523808" @default.
- W2092596064 hasPublicationYear "2003" @default.
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