نتایج جستجو برای: geometrical optics
تعداد نتایج: 61630 فیلتر نتایج به سال:
Using rigorous wave-optical formalism, a general expression is obtained for the image intensity distribution in combined analyser-based/propagation-based phase-contrast imaging. This expression takes into account partial coherence of the wave incident on the object as well as the finite resolution of the detector system. Using this general expression, two approaches based on the geometrical opt...
The capability of the adaptive optics to correct for the segmentation error is analyzed in terms of the residual wavefront RMS and the power spectral density of the phase. The analytical model and the end-to-end simulation give qualitatively equal results justifying the significance of the geometrical matching between segmentation geometry and the actuators/subaperture distribution of the adapt...
A new class of liquid electro-optics based on electrowetting is able to replicate the high performance of solid geometrical optics. Scaled-down electrowetting optics can be arrayed in order to achieve a flat and large area form factor. Techniques for applying electrowetting devices to light valves and arrayed microprisms are reviewed. Electrowetting light valves (ELVs) reconfigure the geometry ...
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