alexa Random testing reveals excessive power in commercial laser pointers


Journal of Clinical & Experimental Ophthalmology

Author(s): Joshua Hadler, Edna Tobares, Marla Dowell

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In random testing of 122 commercial laser pointers, the authors observed that 90% of green pointers and 44% of red pointers were not in compliance with the Code of Federal Regulations (CFR), producing laser power in excess of the CFR-allowed limit at one or more laser wavelengths. The measurement results are presented and the authors describe the inexpensive test bed they used. Also, they suggest physical mechanisms that could account for the hazardous levels of laser pointer emissions.

This article was published in Journal of Laser Applications and referenced in Journal of Clinical & Experimental Ophthalmology

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