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Forensic Applications (of UV and other color lights)
https://www.sunlitest.com/forum/viewtopic.php?f=12&t=36
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Author:  Elliott [ June 11th, 2012, 5:44 pm ]
Post subject:  Forensic Applications (of UV and other color lights)











Wavelength
Applications
365nm
  • Body bruising, bite marks, pattern wounds, (show deeper wounds better than 395nm)
  • Show Ardrox treated prints (970P25 series and 9812 series
  • Drug residues, (using Thin layer Chromatograph)
395nm
  • Detection of blood against dark background
  • Body bruising, bite marks, pattern wounds, (shows colors of red and blue better)
  • Body fluids and Hair
  • Document/stamps/artwork examination
455nm
  • Document/stamps/artwork examination
  • Bodily fluids and Hair
  • Gunshot residue
  • Redwop treated prints
  • basic yellow and acid yellow treated prints
  • Ardrox P133 series treated prints
  • magnetic red powder treated prints
  • Bones, teeth
505nm
  • Gunshot residue
  • Rhodamine 6G treated prints
  • Redwop and Greenwop treated prints
  • DFO treated prints
  • Indanedione treated prints
  • Bones, teeth
525nm
  • Untreated finger prints
  • DFO treated prints
  • Ninhydrin treated prints
  • Bones, teeth
590nm
  • Fluorescent background on sample contrast
625nm
  • Hair
  • Questionable documents
850nm
  • Enhancing night vision systems
  • Used with cameras with infrared capabilities
940nm
  • Ideal for where no indication of nighttime security is a requirement,940nm illuminator will require a highly sensitive nighttime camera
White
  • General field illumination and inspection


Attachments:
forencis-applications.pdf [260.94 KiB]
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