PRACTICAL GUIDE TO INFRARED LUMINESCENCE APPLIED TO QUESTIONED DOCUMENT PROBLEMS

• NCJ Number: 12021
• Journal: Journal of Police Science and Administration Volume: 1 Issue: 2 Dated: (JUNE 1973) Pages: 209-218
• Author(s): J E COSTAIN; G W LEWIS
• Date Published: 1973
• Length: 10 pages
• Corporate Author: Northwestern University
• Publication Format: Article
• Language: English
• Country: United States of America

Annotation

SUMMARY OF PRACTICAL TECHNIQUES FOR VIEWING AND PHOTOGRAPHING THE PHENOMENON OF INFRARED LUMINESCENCE, PARTICULARLY AS RELATED TO QUESTIONED DOCUMENT PROBLEMS.

Abstract

THE AUTHORS BEGIN WITH A LIST OF TERMINOLOGY DEFINITIONS CONCERNING LUMINESCENCE. SPECIFIC DESCRIPTIONS OF EQUIPMENT AND MATERIALS USED IN INFRARED LUMINESCENCE WORK COVER LIGHT SOURCES, FILTERS, DETECTION DEVICES, CAMERAS, LENSES, FILMS, AND PHOTOGRAPHIC PROCESSING. APPLICATION OF INFRARED LUMINESCENCE TO THE SOLUTION OF DOCUMENT PROBLEMS IS DISCUSSED.