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Authors: Prof. Robin Williams and Gigi Williams

The infrared fluorescence or 'luminescence' technique

The infrared fluorescence, or 'luminescence' technique as Gibson called it, where cyan light excites the subject to emit infrared radiation, has been applied to forensic material, and it is used extensively in criminological investigation of questioned documents, for example. Gibson (1962) undertook preliminary studies of infrared luminescence of specimens of tissue but exposures were so long they were impractical and the technique has not therefore found application to the living human subject. More on this technique can be found in the section Cyan induced infrared fluorescence in the Fluorescence Photography part of this site.


  • Gibson, H., 1962. "The photography of infrared luminescence" Med. Biol. Illustr. 12:155-166.

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© 2002 Prof. Robin Williams and Gigi Williams - Disclaimer
Last modified: 3 May 2002