Computer-generated diffractive laser beam splitter

Dan Cojoc; Octavian Dontu

doi:10.1117/12.354797

19 July 1999 Computer-generated diffractive laser beam splitter

Dan Cojoc, Octavian Dontu

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.

Citation Download Citation

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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