Advances in photochromic computer-generated holograms

Andrea Bianco; Mariachiara Mantero; Luca Oggioni; Giorgio Pariani; Chiara Bertarelli; Frédéric Zamkotsian

doi:10.1117/12.2521826

1 May 2019 Advances in photochromic computer-generated holograms

Andrea Bianco, Mariachiara Mantero, Luca Oggioni, Giorgio Pariani, Chiara Bertarelli, Frédéric Zamkotsian

Proceedings Volume 11030, Holography: Advances and Modern Trends VI; 110300B (2019) https://doi.org/10.1117/12.2521826
Event: SPIE Optics + Optoelectronics, 2019, Prague, Czech Republic

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.

Citation Download Citation

Andrea Bianco, Mariachiara Mantero, Luca Oggioni, Giorgio Pariani, Chiara Bertarelli, and Frédéric Zamkotsian "Advances in photochromic computer-generated holograms", Proc. SPIE 11030, Holography: Advances and Modern Trends VI, 110300B (1 May 2019); https://doi.org/10.1117/12.2521826

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