Note: Calibration of EBT3 radiochromic film for measuring solar ultraviolet radiation
Journal Article
·
· Review of Scientific Instruments
- Department of Physics and Materials Science, City University of Hong Kong, Kowloon Tong (Hong Kong)
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%.
- OSTI ID:
- 22305921
- Journal Information:
- Review of Scientific Instruments, Vol. 85, Issue 10; Other Information: (c) 2014 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA); ISSN 0034-6748
- Publisher:
- Optical Society of America
- Country of Publication:
- United States
- Language:
- English
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