Kinoform with 64 phase levels for use as an array generator

A transmissive kinoform with 64 phase levels is demonstrated that is used as a beam array generator. This kinoform converts a single beam to a 5 x 5 beam array. The measured diffraction efficiency is 75.56%, near the designed value of 79.68%. The measured intensity difference among the different dif...

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Bibliographic Details
Published in:Optics letters 1992-05, Vol.17 (9), p.685-687
Main Authors: Pin, L, Dahsiung, H, Minxian, W, Kuofan, C, Shiping, G
Format: Article
Language:English
Subjects:
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Optical elements, devices, and systems
Optics
Physics
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Summary:A transmissive kinoform with 64 phase levels is demonstrated that is used as a beam array generator. This kinoform converts a single beam to a 5 x 5 beam array. The measured diffraction efficiency is 75.56%, near the designed value of 79.68%. The measured intensity difference among the different diffraction orders of the 5 x 5 beam array is 21.56%, and the designed value is 10.99%. The total aperture of the kinoform is 10 mm x 10 mm.
ISSN:0146-9592
1539-4794
DOI:10.1364/OL.17.000685