Bit bored with some time on my hands so went and found the laser geek version of Pprune.
Some very helpful chaps on there pointed me in the direction of various websites which have exactly the info we need.
This one is specifically for pilots and regulators.
Laser Pointer Safety - Different lasers' hazards compared
Laser Pointer Safety - Different lasers' hazards compared
Laser Pointer Safety - Info from the FAA and others on laser light effects
Laser Pointer Safety - Laser safety calculations
A couple of useful and relevant tables
[IMG]
[/IMG]
[IMG]
[/IMG]