1. DANGER CLASS 3B LASER (Position 1) (Position 2)
Laser type/power/wave/duration examples (insert appropriate text at position 2 on sign): 1. Types: Argon, Helium-Neon(HeNe), Krypton, Excimer (ArF, KrF), Ruby, Sapphire, Neodymium(Nd):YAG, CO2 2. Power: max. output in Joules or Watts 3. Wavelength(s) in µm ( µm)
Class 4 Special Precautions examples (insert below at position 1 on sign): 1. Laser protective eyewear required 2. Invisible laser radiation 3. Knock before entering 4. Door to be locked during laser use 5. Do not enter when light is on 6. Restricted access area 7. Eye and skin PPE required
DANGER
VISIBLE / INVISIBLE LASER RADIATION
AVOID EYE OR SKIN EXPOSURE TO DIRECT OR SCATTERED RADIAITON
LASER PROTECTIVE EYEWEARS ARE REQUIRED
(Position 1)
UV: (Laser type, wavelength, output power)
Visible: (Laser type, wavelength, output power)
IR: (Laser type, wavelength, output power)
(Position 2)
Dr. Last name: x-xxxx
CLASS 3B LASER

2. DANGER CLASS 4 LASERS (Position 1) (Position 2)
Laser type/power/wave/duration examples (insert appropriate text at position 2 on sign): 1. Types: Argon, Helium-Neon(HeNe), Krypton, Excimer (ArF, KrF), Ruby, Sapphire, Neodymium(Nd):YAG, CO2 2. Power: max. output in Joules or Watts 3. Wavelength(s) in µm ( µm)
Class 4 Special Precautions examples (insert below at position 1 on sign): 1. Laser protective eyewear required 2. Invisible laser radiation 3. Knock before entering 4. Door to be locked during laser use 5. Do not enter when light is on 6. Restricted access area 7. Eye and skin PPE required
DANGER
VISIBLE/INVISIBLE LASER RADIATION
AVOID EYE OR SKIN EXPOSURE TO DIRECT OR SCATTERED RADIAITON
LASER PROTECTIVE EYEWEARS ARE REQUIRED
(Position 1)
UV: (Laser type, wavelength, output power)
Visible: (Laser type, wavelength, output power)
IR: (Laser type, wavelength, output power)
(Position 2)
Dr. Last name: x-xxxx
CLASS 4 LASERS

3. Position 1
Special Precautions examples (insert at position 1 on sign): 1. Laser protective eyewear required 2. Invisible laser radiation 3. Knock before entering 4. Door to be locked during laser use 5. Do not enter when light is on 6. Restricted access area 7. Eye and skin PPE required
Position 2
Laser type/power/wave/duration examples (insert appropriate text at position 2 on sign): 1. Types: Argon, Helium-Neon(HeNe), Krypton, Excimer (ArF, KrF), Ruby, Sapphire, Neodymium(Nd):YAG, CO2 2. Power: max. output in Joules or Watts 3. Wavelength(s) in µm ( µm)