Published Online: 1 October 1982
Page Count: 5
Senior forensic analyst, Forensic Identification Services, Ontario Provincial Police, Toronto, Ontario
(Received 28 December 1981; accepted 19 February 1982)
The barrier filter used to date to photograph fingerprints by laser does not eliminate substrate luminescence that can reduce or destroy the value of the fingerprint. Use of a narrow-band-pass filter with an appropriate transmission spectrum can often isolate the desirable fingerprint luminescence and yield a better photograph of the print.
Paper ID: JFS12195J