Page 109 - Lasers and IPLs in Medical/Aesthetic Applications v1.2
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Chapter 1 – Fundamentals of Medical/Aesthetic Lasers and IPLs v1.2
 Examples of Class 4 lasers include industrial/research lasers and many medical/aesthetic lasers
Class 4 lasers can output more than 500mW of power.
 Figure 59: Eye injury severity versus laser class
Please note that Class 3B and 4 apply to all lasers above 5 mW output power – with visible and invisible beams!! Note that IPL systems do NOT come under this classification system. For more detailed information on laser Classes, please visit this site, or click here for a short video.
      Laser Class Maximum Power Output
 1/1M, 2/2M Up to 1 milliwatt
 3R Between 1 and 5 mW
 3B Between 5 and 500 mW
 4 Everything above 500 mW
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Chapter 1 LEVEL A Fundamentals of Lasers/IPLs
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