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The use of apodizing or superresolving filters improves the performance of an optical system in different frequency bands. This improvement can be seen as an increase in the OTF value compared to the OTF for the clear aperture.In this paper we propose a method to enhance the contrast of an image in both its low and its high frequencies. The method is based on the generation of a synthetic Optical...
We present an analysis of the efficiency of phase diffractive elements displayed onto spatial light modulators as a function of the device modulation. We show uses and strategies to compensate for the efficiency reduction in the presence of modulation defects like coupled amplitude modulation or non ideal phase modulation.
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