ir-reflectography - Dave's Blog

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The Art Institute of Chicago: The Collection: Examination Techniques

2009 May 29, 9:13"Developed in the late 1960s by Dutch physicist J. R. J. van Asperen De Boer, infrared reflectography (IRR) is a technique used to look through the paint layers. ... Many paints will appear partially or completely transparent while others, such as black, will absorb the infrared radiation and appear dark."PermalinkCommentsart history science ir ir-reflectography
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