Optically indistinguishable copies of 3D real objects or holograms are known to be suitable to replace exhibited artistic pieces in museums. In this paper, we discuss holography as an alternative to protect, share and preserve finely crafted gold pieces belonging to the indigenous treasure inherited by Colombians. We present high diffraction efficiency monocolor and color holograms of native goldwork. As reference objects and proof of concept, we use replicas of the renowned and emblematic Poporo Quimbaya, pre-Hispanic gold pendants and anthropomorphic gold pieces. We report experimental details to deal with different types of commercial holographic recording materials, as for example, PFG-03M and PFG- 03C silver halides or C-RT20 photopolymers. And its general feasibility for reproducing high-quality holograms suitable for museum exhibitions or traveling art-collections.
Alejandro Madrid Sánchez, Leidy Marcela Giraldo, and Daniel Velásquez Prieto, "Monocolor and color holography of pre-Hispanic Colombian goldwork: a way of Colombian heritage appropriation," Proc. SPIE 10558, Practical Holography XXXII: Displays, Materials, and Applications, 1055803 (Presented at SPIE OPTO: January 29, 2018; Published: 19 February 2018); https://doi.org/10.1117/12.2291190.
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