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Proceedings Paper

Optimum design of phase gratings for diffractive optical elements obtained by thin-film deposition
Author(s): Stefano Beretta; Massimo M. Cairoli; Marzia Viardi
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Paper Abstract

A theoretical approach to the design of high efficiency multilevel thin film phase-only gratings is reported. The discussion shows that a film optimum thickness and refraction index must be set in designing DOE components with maximum diffraction efficiency. Experimental results related to the grating''s chromatic behavior vs. the thin film parameters are also presented. These results show good agreement with the expected values foreseen by theory.

Paper Details

Date Published: 1 November 1991
PDF: 8 pages
Proc. SPIE 1544, Miniature and Micro-Optics: Fabrication and System Applications, (1 November 1991); doi: 10.1117/12.49368
Show Author Affiliations
Stefano Beretta, ALENIA Aeritalia and Selenia S.p.A. (Italy)
Massimo M. Cairoli, ALENIA Aeritalia and Selenia S.p.A. (Italy)
Marzia Viardi, ALENIA Aeritalia and Selenia S.p.A. (Italy)


Published in SPIE Proceedings Vol. 1544:
Miniature and Micro-Optics: Fabrication and System Applications
Chandrasekhar Roychoudhuri; Wilfrid B. Veldkamp, Editor(s)

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