How to use this tool
Use this table to select the right eye protection when working with lasers. It has been reprinted with permission of the Laser Institute of America (1983).
| Q-Switched Lasers (1 ns to 0.1 ms) | Non-Q-Switched Lasers (0.4 ms to 10 ms) | Continuous LasersMomentary (0.25 s to 10 s) | Continuous Lasers Long-Term Staring Greater than 3 hours | Attenuation | |||||
|---|---|---|---|---|---|---|---|---|---|
| Q-Switched Lasers (1 ns to 0.1 ms) | Non-Q-Switched Lasers (0.4 ms to 10 ms) | Continuous LasersMomentary (0.25 s to 10 s) | Continuous Lasers Long-Term Staring Greater than 3 hours | Attenuation | |||||
| Maximum Output Energy (J)
|
Maximum Beam Radiant Exposure (J·cm-2)
|
Maximum Output Energy (J)
|
Maximum Beam Radiant Exposure (J·cm-2)
|
Maximum Power Output (W)
|
Maximum Beam Irradiance (W·cm-2)
|
Maximum Power Output (W)
|
Maximum Beam Irradiance (W·cm-2)
|
Attenuation Factor
|
OD
|
| 10
|
20
|
100
|
200
|
NR
|
NR
|
NR
|
NR
|
100,000,000
|
8
|
| 1
|
10
|
20
|
NR
|
NR
|
NR
|
NR
|
10,000,000
|
7
|
|
| 10-1
|
2 x 10-1
|
1
|
2
|
NR
|
NR
|
1
|
2
|
1,000,000
|
6
|
| 10-2
|
2 x 10-2
|
10-1
|
2 x 10-1
|
NR
|
NR
|
10-1
|
2 x 10-1
|
100,000
|
5
|
| 10-3
|
2 x 10-3
|
10-2
|
2 x 10-2
|
10
|
20
|
10-2
|
2 x 10-2
|
10,000
|
4
|
| 10-4
|
2 x 10-4
|
10-3
|
2 x 10-3
|
1
|
2
|
10-3
|
2 x 10-3
|
1,000
|
3
|
| 10-5
|
2 x 10-5
|
10-4
|
2 x 10-4
|
10-1
|
2 x 10-1
|
10-4
|
2 x 10-4
|
100
|
2
|
| 10-6
|
2 x 10-6
|
10-5
|
2 x 10-5
|
10-2
|
2 x 10-2
|
10-5
|
2 x 10-5
|
10
|
1
|
