Transcription of Laser Safety Fundamentals - EHS
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UW Laser Safety Manual August 2007 Radiation Safety Office Environmental Health and Safety University of Washington Box 354400 Seattle WA 98195-4400 Phone: FAX: 1 Contents 1. Laser Basics Laser Theory Types of Lasers 2. Hazards and Safety Standards Introduction The Eye Damage to the Eye UV-C and UV-B UV-A Visible and Infrared-A Infrared-B and Infrared-C Symptoms of Exposure The Skin Damage to the Skin Non-beam Hazards Introduction Electrical Hazard Potential Guidelines to Reduce Electrical Hazards Other Hazards Hazard Classes Introduction Class 3B Lasers Class 4 Lasers Safety Standards 3. Laser Safety Responsibilities Introduction Radiation Safety Office Management Research Staff 4.
The UV-B range of lasers can be the most injurious, resulting not only in thermal damage but possibly in carcinogenesis. UV-A can cause hyperpigmentation and erythema. UV-C seems to have the least effect on the skin due to its short wavelength which is absorbed by the epidermis. 2.6 Non-beam Hazards
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