Lasers- safety (and classification)
Class by type
-Low emissions
-intrinsically safe
-no safety requirements
ex: CD rom, laser printers - answer1
Class by type
-lasers emitting at 302.5-400 nm
-safe but potentially hazardous if passing through magnifying lens - answer1m
Class by type
-low power < 1 mW and wavelength 400-700 nm
-continuous wavelength
-Not intrinsically safe but protection through blink reflex
-dangerous if staring > .25 sec
-flash blindness (temporary), glare distraction
example: laser pointers, laser scanners - answer2 (laser printers - class 1 but laser
scanners - class 2)
what class of laser?
never point at a pilot, aircraft, or vehicle (unsafe & illegal) - answer2
Class by type
-"relatively" low power
-Continuous wavelength or pulsed up to 4.95 mW
-generally low risk but potentially hazardous
ex: firearm sights (high power laser pointers) - answer3R (R = Relaxed)
Class by type
-medium power
-Continuous wavelength or pulsed devices up to 500 mW output
-direct intra-beam viewing if wearing protective goggles
Class by type
-Low emissions
-intrinsically safe
-no safety requirements
ex: CD rom, laser printers - answer1
Class by type
-lasers emitting at 302.5-400 nm
-safe but potentially hazardous if passing through magnifying lens - answer1m
Class by type
-low power < 1 mW and wavelength 400-700 nm
-continuous wavelength
-Not intrinsically safe but protection through blink reflex
-dangerous if staring > .25 sec
-flash blindness (temporary), glare distraction
example: laser pointers, laser scanners - answer2 (laser printers - class 1 but laser
scanners - class 2)
what class of laser?
never point at a pilot, aircraft, or vehicle (unsafe & illegal) - answer2
Class by type
-"relatively" low power
-Continuous wavelength or pulsed up to 4.95 mW
-generally low risk but potentially hazardous
ex: firearm sights (high power laser pointers) - answer3R (R = Relaxed)
Class by type
-medium power
-Continuous wavelength or pulsed devices up to 500 mW output
-direct intra-beam viewing if wearing protective goggles
