Spatial differentiation of optical beams using phase-shifted Bragg grating.
作者： Leonid L. Doskolovich , Dmitry A. Bykov , Evgeni A. Bezus , Victor A. Soifer
DOI: 10.1364/OL.39.001278
关键词:
摘要: We present a theoretical study of new application the phase-shifted Bragg grating (PSBG) as an optical spatial differentiator operating in reflection. demonstrate that PSBG allows to calculate first-order derivative at oblique incidence and second-order normal incidence. As example, is numerically shown be able convert input 2D Gaussian beam into Hermite-Gaussian mode. expect proposed useful for all-optical data processing.
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