The Evidential Value Of Dispersion In The Examination Of Glass

The Evidential Value Of Dispersion In The Examination Of Glass

In order to look for differences in visible light disperison by glass particles, refractive index measurements were made at various wavelengths. It was established that the most practical wavelengths for obtaining characteristic data were in the blue, yellow and red regions. A collection of glasses was then examined to establish whether or not discrimination between them was improved by measuring dispersion. It was shown that, for glasses of the type commonly encountered in casework in the UK, dispersion measurements are unlikely to enhance the evidential value.

Author: 
J Locke Et Al
Origin: 
Home Office Forensic Science Service, Uk
Journal Title: 
Forensic Science International 32 1986 219-227
Sector: 
Special Glass

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Journal Title: Forensic Science International 32 1986 219-227

Class: S 5050