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Proceedings Paper

Diffractive near-field array generators
Author(s): Werner Klaus; Ayako Okazaki; Haruka Suzuki; Tomoko Nakayama; Kashiko Kodate
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Paper Abstract

In this paper, we compare and summarize the features of two types of 2D array illuminators--the binary zone plate array and the Talbot array illuminator--both producing a spot array in the near field without the addition of any optical component. Numerical evaluations of the illumination efficiency are based on the scalar theory. We present and discuss furthermore the experimental results obtained by such array illuminators when fabricated under the same conditions, i.e., by optical lithography and two masks (four-level binary optics).

Paper Details

Date Published: 19 July 1999
PDF: 2 pages
Proc. SPIE 3749, 18th Congress of the International Commission for Optics, (19 July 1999); doi: 10.1117/12.354887
Show Author Affiliations
Werner Klaus, Communications Research Lab. (Japan)
Ayako Okazaki, Japan Women's Univ. (Japan)
Haruka Suzuki, Japan Women's Univ. (Japan)
Tomoko Nakayama, Japan Women's Univ. (Japan)
Kashiko Kodate, Japan Women's Univ. (Japan)


Published in SPIE Proceedings Vol. 3749:
18th Congress of the International Commission for Optics
Alexander J. Glass; Joseph W. Goodman; Milton Chang; Arthur H. Guenther; Toshimitsu Asakura, Editor(s)

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