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19 July 1999 Computer-generated diffractive laser beam splitter
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Proceedings Volume 3749, 18th Congress of the International Commission for Optics; (1999) https://doi.org/10.1117/12.354797
Event: ICO XVIII 18th Congress of the International Commission for Optics, 1999, San Francisco, CA, United States
Abstract
A technique to obtain a diffractive laser beam splitter is presented in this paper. The technique is based on the approach of Fresnel holography, computer generated. Starting from the coding techniques used to obtain binary Fresnel encoded lens and Fresnel holograms, the synthesis of a diffractive optical element able to realize the split of a laser beam into N beams, is presented. Experimental results are provided for N equals 2, 3, 4, 5. The performance of this beam splitter is discussed in terms of light transmission efficiency and reconfigurability.
© (1999) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Dan Cojoc and Octavian Dontu "Computer-generated diffractive laser beam splitter", Proc. SPIE 3749, 18th Congress of the International Commission for Optics, (19 July 1999); https://doi.org/10.1117/12.354797
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