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Zinc Sulphide
Zinc Sulphide regular and multispectral

For IR windows and lenses in the thermal band (8 to 14 μm)

Zinc Sulphide regular is used for IR windows and lenses in the thermal band (8 to 14 μm) as a tough front optic in thermal imaging systems, and the Multispectral grade is the water clear form for visible and infrared applications.

 

Transmission Range :

1.0 to 13 μm

Refractive Index :

2.192 at 10.6 μm

Reflection Loss :

24.6% at 10.6 μm (2 surfaces)

Absorption Coefficient :

0.02 cm-1 at 3.8 μm

Density :

4.08 g/cc

Melting Point :

1827°C

Thermal Conductivity :

16.7 W m-1 K-1 at 296K

Thermal Expansion :

6.6 x 10-6 /°C at 273K

Specific Heat Capacity :

469 J Kg-1 K-1

 
 
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