69. Non-ionizing radiation in the workplace – lasers.

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7 Terms

1
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What does the acronym LASER stand for?

Light Amplification by Stimulated Emission of Radiation.

2
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In which parts of the electromagnetic spectrum do lasers produce light?

UV, visible, and infrared (IR) spectrum.

3
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What makes laser light unique compared to other light sources?

  • Laser light is coherent in space (all waves in phase)

  • time (same frequency).

4
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What are common sources of lasers in the workplace?

Industrial and commercial settings, and medical diagnostic machines.

5
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What health effects can lasers cause?

Ranges from mild skin burns to irreversible skin and eye injuries.

6
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What are the mechanisms through which lasers cause biological damage?

Thermal, acoustical, and photochemical processes.

7
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What are some control methods for laser safety?

  • Worker training

  • Beam stop or attenuator

  • Avoiding specular reflections

  • Protective eyewear

  • Warning signs on enclosures

  • Remote interlock systems

  • Key control of laser

  • Protective clothing