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Proceedings Paper

Advances in photochromic computer-generated holograms
Author(s): Andrea Bianco; Mariachiara Mantero; Luca Oggioni; Giorgio Pariani; Chiara Bertarelli; Frédéric Zamkotsian
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Paper Abstract

Photochromic materials belonging to the class of diarylethenes are presented as active materials for the manufacturing of rewritable Computer Generated Holograms (CGHs). Thanks to the modulation of both transparency and refractive index, it is possible to produce amplitude and phase holograms. Regarding the photochromic materials, different properties must be optimized in order to obtain efficient holograms and they are here discussed. As for the writing step, it is possible to use a direct laser writing approach or a mask projection system and both strategies are discussed. Examples of photochromic CGHs (phase and amplitude) are reported.

Paper Details

Date Published: 1 May 2019
PDF: 9 pages
Proc. SPIE 11030, Holography: Advances and Modern Trends VI, 110300B (1 May 2019); doi: 10.1117/12.2521826
Show Author Affiliations
Andrea Bianco, INAF - Osservatorio Astronomico di Brera (Italy)
Mariachiara Mantero, INAF - Osservatorio Astronomico di Trieste (Italy)
Luca Oggioni, INAF - Osservatorio Astronomico di Brera (Italy)
Giorgio Pariani, INAF - Osservatorio Astronomico di Brera (Italy)
Chiara Bertarelli, Politecnico di Milano (Italy)
Frédéric Zamkotsian, Lab. d'Astrophysique de Marseille (France)


Published in SPIE Proceedings Vol. 11030:
Holography: Advances and Modern Trends VI
Antonio Fimia; Miroslav Hrabovský; John T. Sheridan, Editor(s)

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