The introduction of legislation in Europe covering worker exposure to optical radiation has presented challenges for the entertainment industry. This was highlighted following an injury to a member of staff working in front of a spotlight. Assessments were carried out on a range of lighting systems used in the entertainment industry to identify the key issues and to determine simple assessment methodologies. The conclusion was that the main risk was from exposure to Blue Light and ultraviolet radiation, although the latter was generally not required for most applications and should be filtered out. For a range of sources it was possible to calibrate a low-cost lux meter against the spectrum from a known source and use that to assess similar sources.

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© 2011 Laser Institute of America.
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