Laser technology is recognized as an important new innovation of the Space Age. A Laser Hazard Classification Guide published by the National Institute of Occupational Safety and Health in July 1976, lists nearly 2,500 different models of lasers. SPIE has published proceedings available on Low Power Lasers, High Power Laser Technology, and Ultra High Power Lasers.
C. Lyle Cheever
"Laser Safety In Manufacturing", Proc. SPIE 0129, Effective Utilization of Optics in Quality Assurance I, (28 February 1978); doi: 10.1117/12.956007; https://doi.org/10.1117/12.956007