Diffraction gratings for the Experimental study by using a CCD camera

Abstract

The capability of a biconvex lens in performing Fourier transformation . As a result of this capability  one can work in the spatial   frequency domain to achieve filtering process . Consequently there are potential possibilities to use the previous capability in processing the recorded image in addition to a real time processing . Hence there are potential applications in processing the optical data in the fields of  astronomy , microscopy , medical imaging , crystallography , and pattern recognition .

Two types of digital  cameras have been utilized to record the experimental results  , one of them an ordinary  HD camera with  (12 Mega Pixels ) resolution and the other one is  a CCD camera  to record the power  distribution of the Fourier transform in the spatial frequency domain . Good agreement is obtained between experimental and numerical results.