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4. Laser-human tissue interaction
During laser work, the beam may interact with the skin and/or eyes. The surface area of the skin is approximately 1.5 m 2 , but in general the accessible surfaces are limited to the face and hands. The size of the beam (usually a few cm 2 ) and the eye (of the order of a cm 2 ) reduce the probability of interaction. However, this "natural" protection is insufficient to prevent loss of vision.
4.1 Methods of destruction
For a user of laser sources, the physics of destruction are of secondary importance. By the time damage occurs, it's too late. The main damage modes
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Laser-human tissue interaction
Conclusion
Bibliography
Standards and guidelines
- Sécurité des appareils laser, Partie 1 : classification des matériels et exigences - NF EN 60825-1 - 10-14
- Safety of laser products – Part 3: guidance for laser displays and shows - CEI/TR 60825-3 - 03-08
- Laser safety – Part 4: laser barriers - NF EN 60825-4 - 12-06
- Laser safety – Part 4: laser barriers - NF EN 60825-4+A1 - 12-08
- Laser safety – Part 4: laser barriers - NF EN 60825-4+A2...
Regulations
Directive 2006/25/EC of the European Parliament and of the Council of April 5, 2006 http://eurlex.europa.eu/LexUriServ/site/fr/oj/2006/1_114/1_11420060427fr00380059.pdf
Decree no. 2010-750 of July 2, 2010 on the protection of -workers against the risks of artificial optical...
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