Testing of light guide systems

  • The standard light transfer characteristic and output device efficiency according to CIE 173:2012 
  • Light guide components efficiency: roof part (collector),  diffuser, light guide
  • Luminous intensity distributions
  • Photometric files for specific weather conditions 
Document No. Title/Description Place of application of the document
CIE 173:2012 Tubular Daylight Guidance Systems