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NCJRS Abstract

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NCJ Number: 98835 Find in a Library
Title: Comparision of Argon-Ion, Copper-Vapor, and Frequency-Doubled Neodymium - Yttrium Aluminum Garnet (Nd-YAG) Lasers for Latent Fingerprint Development
Journal: Journal of Forensic Sciences  Volume:30  Issue:2  Dated:(April 1985)  Pages:383-397
Author(s): E R Menzel
Date Published: 1985
Page Count: 15
Format: Article
Language: English
Country: United States of America
Annotation: Argon-ion, copper-vapor, and frequency-doubled neodymiun:yttrium aluminum garnet (Nd:YAG) lasers have been examined for efficiency in latent fingerprint detection. All three types of laser are found to be effective.
Abstract: Argon-ion lasers have the greatest power and range of useful wavelenths while frequency-doubled Nd:YAG lasers offer crime scene capability. On rare occasions latent prints observable under the argon-ion laser are not visually discernible under the Nd:YAG laser, but can be located with a sensitive televison camera. Once located, photography of such prints is straightforward. (Author abstract)
Index Term(s): Crime laboratory equipment; Crime Scene Investigation; Laser fingerprint detection; Latent fingerprints
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