دانلود فایل پاورپوینت Laser Safety (11 صفحه )

بخشی از پاورپوینت

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اسلاید 1 :

• Light Amplification by Stimulated Emission of Radiation

  Associated hazards:

  1.Laser Beam: eye injury, burns, skin cancer (UV), fire hazard

  2.Active medium: toxic chemicals or gases  (organic dyes, BeO in Ar lasers, HF, HeCd, HeHg, HeSe)

  3.Excitation source: high voltage, water cooling

اسلاید 2 :

- laser beam can be focused by cornea and the lens to a very tight spot on the retina

اسلاید 3 :

Eye Injury

اسلاید 4 :

Eye Injury From A Pulsed Laser

اسلاید 5 :

Skin Burns

• CO2 laser reflected from a metal surface

اسلاید 6 :

Types of laser eye exposure

اسلاید 7 :

Laser hazard classes

• Classification by wavelength and output power, according to their ability to produce damage

اسلاید 8 :

Safety measures

• Be informed
•  
• Eyewear for classes IIIb, IV for everybody in the room
•  
• Beam paths above >200 mW should be guided through tubes
•  
• Highest risk during alignment, optical setup modification

اسلاید 9 :

IIIb and IV requirements

• EHS 280 Laser Safety Training
• EHS 281 Laser Safety Retraining (every 3 years)
• On the Job Training – provided by PI/supervisor & documented in the Activity Hazard Document
•  
• Laser eye exams

  Links:

    UCB laser safety

    LBL laser safety