Optical system and method for multi-range and dual-range imaging

Z. Zalevsky (Inventor), Ido Raveh (Inventor)

Research output: Patent

Abstract

An imaging system is presented for use in multi-range imaging of an object scene by incoherent light. The imaging system comprises aligned a phase mask section, a single focus lens section, and a pixel detector array (PDA). The phase mask section has a generally non-diffractive, narrowly bounded, phase variation corresponding to a profile of a through-object Modulated Transfer Function (MTF) of the imaging system, where the profile has, at an at least one non-zero spatial frequency, at least two regions of growth leading to the MTF higher than 10%.
Original languageAmerican English
Patent numberUS patent No. 7812295
StatePublished - 2008

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