When laser radiation interacts with a material, some of the radiation is reflected, some is absorbed in the material and some may be transmitted through the material. This is illustrated in Figure 1.
Wesley J., “
Reflections from Relatively Flat Specular Surfaces”,
Health Physics, Vol.
US Department of the Army Technical Bulletin TB MED 279 Control of Hazards to Health from Laser Radiation, 30 May
American National Standards Institute,
Standard For the Safe Use of Lasers, Z-136.1,
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© 1993 Laser Institute of America.
Laser Institute of America