skip to main content

Title: Note: Calibration of EBT3 radiochromic film for measuring solar ultraviolet radiation

Solar (UVA + UVB) exposure was assessed using the Gafchromic EBT3 film. The coloration change was represented by the net reflective optical density (Net ROD). Through calibrations against a UV-tube lamp, operational relationships were obtained between Net ROD and the (UVA + UVB) exposures (in J cm⁻²p or J m⁻²). The useful range was from ~0.2 to ~30 J cm⁻². The uniformity of UV irradiation was crucial for an accurate calibration. For solar exposures ranging from 2 to 11 J cm⁻², the predicted Net ROD agreed with the recorded values within 9%, while the predicted exposures agreed with the recorded values within 15%.
Authors:
 [1] ;  [1] ;  [2]
  1. Department of Physics and Materials Science, City University of Hong Kong, Kowloon Tong (Hong Kong)
  2. (Hong Kong)
Publication Date:
OSTI Identifier:
22305921
Resource Type:
Journal Article
Resource Relation:
Journal Name: Review of Scientific Instruments; Journal Volume: 85; Journal Issue: 10; Other Information: (c) 2014 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Publisher:
Optical Society of America
Country of Publication:
United States
Language:
English
Subject:
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY; CALIBRATION; COLORATION; FILMS; LIGHT BULBS; OPACITY; SOLAR RADIATION; ULTRAVIOLET RADIATION