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Instrument for scanning the angular variation of irradiance in ultraviolet phototherapy cabinets
A L Evans1, C J Martin, D C Smith
1Department of Clinical Physics and Bio-engineering, North and South Glasgow University Hospitals NHS Trusts, Glasgow GS1 4TF, UK. aled.evans@sgh.scot.nhs.uk
Journal of Medical Engineering & Technology
|September 28, 2002
Abstract:
An instrument is described that measures irradiance and the angular distribution of the intensity of ultraviolet radiation sources inside phototherapy cabinets. Failed lamps and lamps with higher or lower outputs are readily identified. The measurements are controlled from outside the cabinet, thus reducing the risk to staff from exposure to ultraviolet radiation.