Windows

Windows are used to isolate different physical environments while allowing light to pass. When selecting windows you should consider materials, transmission, scattering, wavefront distortion, parallelism and resistance to certain environments.
Lasertec offers a wide range of different materials and different degree of precision windows. Special materials are available upon requirement.
A broad range of single layer or multilayer antireflective coatings on optical windows are available. Please refer to coatings for more information.
Lasertec provide variety material following:
N-BK7
UVFS
Si
Ge
CaF2
YAG
Sapphire
Float glass
 

Application:

Medical Laser system
Industrial Q-Switch Laser system
Specification of Windows
 
Material
UVFS, Corning7980, BK7,YAG ,Ge, ZnSe etc
Surface Flatness  
≤λ/10 at 632.8 nm
Clear Aperture
≥85% of diameter
Surface Quality
10-5 scratch-dig per MIL-PRF-13830B
Diameter Tolerance
+0/-0.1 mm
Thickness Tolerance
±0.1 mm
Wedge
≤1 arc min
Chamfers
0.2mmX45°
Durability
MIL-M-48497
Damage Threshold
1064 nm: 20 J/cm2 with 10 nsec pulses, typical
532 nm: 5 J/cm2 with 10 nsec pulses, typical