Protective Windows

To protect scan lenses from backsplatter and other workplace hazards, II-VI offers protective windows -- also known as debris windows -- that are either included as the overall scan lens assembly part, or sold separately. These plano-plano windows are available in both ZnSe and Ge materials and also supplied mounted or unmounted.

ZnSe protective windows feature our standard AR or DAR coating. Ge protective windows feature either our standard AR coating, or an optional diamond-like carbon coating (DLC) designed to withstand the most severe conditions likely to be encountered in industrial operations.

Part Information

Part #
Description
Diameter
(inches)
Diameter
(mm)
Edge
Thickness
(inches)
Edge
Thickness
(mm)
Coating
Type
Wavelength
(µm)
290025
ZnSe
3.94
100
0.197
5.0
AR
9.3
185594
ZnSe
4.3
109
0.375
9.53
AR
9.3
355172
ZnSe
4.37
111
0.197
5.0
AR
9.3
139647
ZnSe
5.5
140
0.375
9.53
AR
9.3
221234
Ge
3.94
100
0.197
5.0
DLC
9.4
425225
Ge
4.25
108
0.197
5.0
DLC
9.4
221345
Ge
4.64
118
0.197
5.0
DLC
9.4
505791
Ge
4.76
121
0.197
5.0
DLC
9.4

 

Applications
Materials Processing, CO2 Laser Microprocessing, High Power CO2 Laser Processing, Resonator Optics, Windows, INFRARED

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