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Introduction to Laser Safety Bob Curtis, OSHA Directorate of Science, Technology and Medicine Includes slides from University of Illinois at Urbana-Champaign
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UIUC
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Laser Components
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Continuous vs. Pulsed Lasers Thinner pulses give higher peaks for same average Power.
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Divergence of the Laser Beam See equation for calculating diameter of beam at distance r from the laser.
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Specular (Mirror) Reflection Specular reflection (left illustration) retains the columnar beam, and therefore, intra-beam exposure.
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Nominal Hazard Zone
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