Forensic Applications Of Copper Laser Technology

Edward R. German

doi:10.1117/12.939664

6 April 1987 Forensic Applications Of Copper Laser Technology

Edward R. German

Proceedings Volume 0737, New Developments and Applications in Gas Lasers; (1987) https://doi.org/10.1117/12.939664
Event: OE LASE'87 and EO Imaging Symposium, 1987, Los Angeles, CA, United States

Abstract

Copper vapor lasers are being used in forensic applications at more than thirty regional, state and national level forensic science laboratories (crime labs) in the United States, Israel and Japan. These high gain lasing medium systems provide desirable operational and maintenance features. The green line produced by copper vapor lasers allows use of latent fingerprint inherent and chemically induced luminescence techniques developed for argon ion lasers. The yellow line has developed latent fingerprints which would not luminesce at blue-green wavelengths, and is better suited for some forensic examinations such as ink differentiation involving forgeries and document alterations.

Citation Download Citation

Edward R. German "Forensic Applications Of Copper Laser Technology", Proc. SPIE 0737, New Developments and Applications in Gas Lasers, (6 April 1987); https://doi.org/10.1117/12.939664

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