Computer-generated holograms for the correction of the aberrations of thick holographic optical lens elements
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Holographic optical lens elements (HOE) normally suffer from the aberrations and deviations from the Bragg condition caused by the inevitable wavelength mismatch between recording and reconstruction. A possibility to calculate the phase functions, which are necessary to precompensate in the recording step both the aberrations and the deviations from the Bragg condition, is presented and numerical examples are shown. The phase functions can be generated with the help of computer generated holograms (CGH).
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