Measuring the contribution of atmospheric scatter to laser eye dazzle
Applied Optics, ISSN: 2155-3165, Vol: 54, Issue: 25, Page: 7567-7574
2015
- 13Citations
- 8Captures
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Article Description
An experiment has been conducted to determine the contribution of atmospheric scatter to the severity of the dazzle experienced by a human under illumination from a visible laser. A 15W532 nm laser was propagated over a 380 m outdoor range in San Antonio, Texas, over nine data collection sessions spanning June and July 2014. A narrow acceptance angle detector was used to measure scattered laser radiation within the laser beam at different angles from its axis. Atmospheric conditions were logged via a local weather station, and air quality data were taken from a nearby continuous air monitoring station. The measured laser irradiance data showed very little variation across the sessions and a single fitting equation was derived for the atmospheric scatter function. With very conservative estimates of the scatter from the human eye, atmospheric scatter was found to contribute no more than 5% to the overall veiling luminance across the scene for a human observer experiencing laser eye dazzle. It was concluded that atmospheric scatter does not make a significant contribution to laser eye dazzle for shortrange laser engagements in atmospheres of good to moderate air quality, which account for 99.5% of conditions in San Antonio, Texas.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=84942372637&origin=inward; http://dx.doi.org/10.1364/ao.54.007567; http://www.ncbi.nlm.nih.gov/pubmed/26368879; https://www.osapublishing.org/abstract.cfm?URI=ao-54-25-7567; https://www.osapublishing.org/viewmedia.cfm?URI=ao-54-25-7567&seq=0; https://opg.optica.org/abstract.cfm?URI=ao-54-25-7567; https://dx.doi.org/10.1364/ao.54.007567; https://opg.optica.org/ao/abstract.cfm?uri=ao-54-25-7567
The Optical Society
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