Assessing audience exposure at laser shows

Michael Higlett, John O'Hagan

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

4 Citations (Scopus)


Lasers have been used in live entertainment since the 1970s. A high power laser beam is required to form visual effects of large image patterns generated by moving the laser beam by computer-controlled galvanometers. Many laser companies promote audience scanning. However, some scan patterns require the same location to be repeatedly scanned, which may lead to the potential for injury, particularly to the eye, where a person receives a burst of laser pulses as the pattern passes across the face. Although safety of laser shows is increasingly better appreciated, every year a few suspected eye injuries are reported. Prototype field measurement equipment is being developed which will assist with the safety assessment where intentional audience scanning is planned. The data captured during the show are analysed in real time to monitor the possible risk of overexposure. An emergency warning is sent to the remote operator if a hazardous level is observed. This equipment will provide a tool able to carry out a comprehensive real time assessment of a show. Details of the design and preliminary results will be presented.

Original languageEnglish
Title of host publicationThe World's Leading Conference on Laser Safety, ILSC 2011 - International Laser Safety Conference
PublisherLaser Institute of America
Number of pages7
ISBN (Print)9780912035574
Publication statusPublished - 2011
Event2011 International Laser Safety Conference, ILSC 2011 - San Jose, CA, United States
Duration: 14 Mar 201117 Mar 2011

Publication series

NameThe World's Leading Conference on Laser Safety, ILSC 2011 - International Laser Safety Conference


Conference2011 International Laser Safety Conference, ILSC 2011
Country/TerritoryUnited States
CitySan Jose, CA


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