Ultrafast pump-probe dynamics of iron oxide based earth pigments for applications to ancient pottery manufacture

Tana Elizabeth Villafana; William Brown; Warren S. Warren; Martin Fischer

doi:10.1117/12.2184758

30 June 2015 Ultrafast pump-probe dynamics of iron oxide based earth pigments for applications to ancient pottery manufacture

Tana Elizabeth Villafana, William Brown, Warren S. Warren, Martin Fischer

Author Affiliations +

Proceedings Volume 9527, Optics for Arts, Architecture, and Archaeology V; 952709 (2015) https://doi.org/10.1117/12.2184758
Event: SPIE Optical Metrology, 2015, Munich, Germany

Abstract

We demonstrate that ultrafast pump-probe microscopy provides unique dynamics for natural iron oxide and iron hydroxide earth pigments, despite their chemical similarity. First, we conducted a pump-probe spectroscopy study on heat-treated hematite (the pure red iron oxide mineral) and found the pump-probe dynamics to be temperature dependent. Second, we investigated pottery fired under known conditions and observed firing dependent pump-probe dynamics. Finally, we imaged a New World potshard from the North Carolina Museum of Art. Our results indicate that pump-probe microscopy could be a useful tool in elucidating pottery manufacture.

Citation Download Citation

Tana Elizabeth Villafana, William Brown, Warren S. Warren, and Martin Fischer "Ultrafast pump-probe dynamics of iron oxide based earth pigments for applications to ancient pottery manufacture", Proc. SPIE 9527, Optics for Arts, Architecture, and Archaeology V, 952709 (30 June 2015); https://doi.org/10.1117/12.2184758

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