There are provided volume holograms and combinations of lenticular lenses and holograms in particular for security applications. In embodiments, a volume hologram comprises a holographic medium (102) including a first optical interference structure which, upon illumination, replays a first image (110); wherein the first image includes a lenticular lens layer (111) including an array of lenticules and a lenticular image layer (113) including first (114) and second (115) interlaced images corresponding with the array of lenticules.


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    Titel :

    Holograms


    Erscheinungsdatum :

    2017-12-06


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



    Conoscopic Holograms

    Sirat, G. / Psaltis, D. / Charlot, D. | SPIE | 1987


    Surface Relief Holograms

    Raja, S. S. / Sirohi, R. S. / Bhawalkar, D. D. et al. | British Library Conference Proceedings | 2000


    Photorefractive fiber holograms

    Yin, Shizhuo | SPIE | 1996


    Demonstration Of Holograms

    Leifer, lan | SPIE | 1983


    Lasers and holograms

    Ramberg, E.G. | Engineering Index Backfile | 1966