rhodamine1

Mouseover to view Rhodamine 6G under Blue/Green, 550nm filter

basic1

Mouseover to view Basic Yellow under Blue, 495nm filter

TECHNOLOGY FOR FORENSIC LIGHT SOURCE EXAMINATION

 

Treated Fingerprint Illumination

 

Examining  treated fingerprints with the correct illumination waveband maximises contrast:

 

Treatment Illumination waveband Fluorescence Viewing filter
Acid Yellow Blue 495nm 
Ardrox UV or Blue 420nm or 495nm
Basic Red Green  590nm 
Basic Yellow Violet or Blue 455nm or 495nm 
DFO Blue/Green or Green or Orange 455nm or 495nm or 550nm
Greenwop Blue/Green 550nm 
Liquidrox UV  420nm 
Magnetic Red Powder Blue 495nm 
MBD Blue/Green  550nm 
MRM 10 (Rhodamine, BY40, MBD) Blue/Green  550nm 
Nile Red Green 590nm
Ninhydrin  Green 590nm 
PolyCyano UV UV 420nm 
RAM (Rhodamine, BY-40, Ardrox) Blue/Green 550nm 
Redwop  Blue or Blue/Green  495nm or 550nm 
Rhodamine 6G  Blue/Green 550nm 
Safranine Green  590nm 
Thermal Development Blue/Green 550nm 
THE FOLLOWING PRODUCTS CAN BE USED FOR VISUALISING FINGERPRINTS

Crime-lite forensic light sources

DCS 4 fingerprint capture and enhancement workstation

Crime-lite Imager semi-automated system evidance imaging system