1. 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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3. Laser Components

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14. Continuous vs. Pulsed Lasers Thinner pulses give higher peaks for same average Power.

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16. Divergence of the Laser Beam See equation for calculating diameter of beam at distance r from the laser.

17. Specular (Mirror) Reflection Specular reflection (left illustration) retains the columnar beam, and therefore, intra-beam exposure.

18. Nominal Hazard Zone

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