UV lamps with black-glass bulbs are used for fluorescent excitation. OSRAM SUPRABLACK lamps in high and low-pressure technology are suitable for a wide range of applications, e.g.:

• Material engineering
  Material research with fluorescence solutions, for example for detecting hairline cracks in engine shafts
• Textile industry
  Material analysis, for example the composition and nature of additives to woollen goods, detection of otherwise invisible
  stains and dry-cleaning marks
• Food industry
  Detection of adulterated food, decayed fruit (especially oranges), meat, fish etc.
• Criminal investigation
  Detection of forged banknotes, cheques and documents or their subsequent alteration (removal of blood stains, forged pictures, etc.)
• Postal service
  Efficient operation of automatic letter franking, detection of forged postage stamps
• Effect lighting
  Theater and stage, cabaret, shows, discos, bars, etc.