Laser Safety Eyewear 11
Selecta
PBL200051, Rev J
Using this approach we derive the following values:
which results in a worst case NOHD of :
All personnel who are within the NOHD are considered to be within the
controlled area and shall wear eye protection with a minimum optical density
(OD) of:
Laser safety eyewear must also be resistant to physical damage or
photobleaching resulting from laser exposure as per ANSI Z136.1-2000,
Z
a
NOHD =
1
4
MPE
Pf - a
2
Z +
Laser System MPE Pf a Z
Selecta Duet 1064 nm laser 0.262 0.03 J
1.67 (10
-6
) J/cm
2
2 0.0007 cm 9.3 cm
Selecta Duet 532 nm laser 0.016 0.002 J
0.50 (10
-6
) J/cm
2
2 0.004 cm 9.3 cm
Laser System NOHD
Selecta Duet 1064 nm laser 8.4 meters
Selecta Duet 532 nm laser 63.0 meters
Laser System OD
Selecta (all models) 5.0
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