Stanford University Laser Safety Manual

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Table 1
Table 2

 
Table 2
 

Table 2 - TYPICAL LASER CLASSIFICATIONS FOR SELECTED SINGLE PULSED LASERS

Laser

Wavelengths (nm)

Wavelengths Range (nm)

Pulse
Duration(s)

Class 1
(J)

Class 3 (J/cm2)

Class 4
(J/cm2)

Neodymium:
YAG
Q switch (Quad)
Ruby (Doubled)



266.1
347.1

UV
100-400

10-30 x 10-9

----

£ 10

> 10

Q sw Neodymium:
YAG (Doubled)
Q switch Ruby
Ruby long pulse

Rhodamine 6G


532
694.3
693.3

450-650

Visible
400-700


~20 x 10-9

~1 x 10-3

~1 x 10-6


£ 0.2 x 10-6

£ 4.0 x 10-6

£ 0.2 x 10-6


> Class 1 but < 74 x 10-3

> Class 1 but < 3.1

> Class 1 but < 0.31


>75 x 10-3

>3.1

>0.31

Neodymium- YAG

Erbium-glass

Carbon Dioxide

1064

1540

10,600

Infrared

~20 x 10-9 (Q sw)

~10-100 x 10-9 (Q sw)

~1-100 x 10-9 (Q sw)

£ 2 x 10-6

£ 8 x 10-3

£ 80 x 10-6

> Class 1 but < 0.16

> Class 1 but < 10

> Class 1 but < 10

> 0.16

>10

>10

Based upon American National Standards Institute Standard Z-136.1