iosh
Institution of Occupational Safety & Health
MPE
Maximum Permissible Exposure
LASER
Light Amplification Stimulated Emission of Radiation (it’s always spelt with a ‘S’ not a ‘Z’!)
LSO
Laser Safety Officer (its what you are once you complete a iosh registered course)
Sometimes also called “Laser Safety Operator”
MPE
Maximum Permissable Exposure
NHZ
Nominal Hazard Zone. The area where a worker, performer or audience is
NOHD
Nominal Ocular Hazardous Distance. The distance after which the laser beam becomes safe. Calculated from:
Power
Divergence
Beam size
PASS
Professional Audience Safety System. Used in USA for audience scanning.
Projector
A device that outputs a laser beam (you will find people often refer to a display laser as a projector).
Terminates / termination
Where the laser beams hit
