23 July 1993 Iterative correction of holographic lenses
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Proceedings Volume 1983, 16th Congress of the International Commission for Optics: Optics as a Key to High Technology; 19837G (1993) https://doi.org/10.1117/12.2308687
Event: 16th Congress of the International Commission for Optics: Optics as a Key to High Technology, 1993, Budapest, Hungary
Abstract
Switchable optical filters have been designed and fabricated for optical image processing applications. In particular, the case of filters producing a Gaussian PSF has been investigated. The filter functions are calculated using methods based on the stationary phase approximation and an iterative Fourier algorithm. The resulting phase functions are realized as continuous surface-relief gratings in photoresist by laser-beam lithography. The optical filters are then made electrically switchable by a liquid crystal layer on top of the grating.
© (1993) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
O. Falkenstoerfer, "Iterative correction of holographic lenses", Proc. SPIE 1983, 16th Congress of the International Commission for Optics: Optics as a Key to High Technology, 19837G (23 July 1993); doi: 10.1117/12.2308687; https://doi.org/10.1117/12.2308687
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