Negative imaging of an extended source of polychromatic radiation by an opaque screen is described within the framework of geometrical optics. Spatial domain behind the screen is determined where a negative image is observed, as well as the main optical characteristics of such image. Digital post-processing procedure for improving of an optically obtained negative image is introduced and implemented.
Geometric-optical imaging by a screen
19th Congress of the International Commission for Optics: Optics for the Quality of Life ; 2002 ; Florence,Italy
Proc. SPIE ; 4829
2003-11-19
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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