Zinc Selenide (ZeSe) Materials
It is evident that optics and optical systems which meet customer specifications begin with the highest quality infrared substrate materials. Thus, a complete understanding of the unique properties, preparation and process control of these materials is a critical first step in producing superior IR optics.
      
Optical Properties

Bulk Absorption Coefficient @ 10.6µm

0.0005/cm

Temp. Change of Refractive Index @ 10.6µm

61x10-6/°C

Refractive Index Non-homogeneity @ 632.8nm

<6X10-6 

      
Thermal Properties

Thermal Conductivity

0.18W/cm/°C

Specific Heat

0.356J/g/°C

Linear Expansion Coefficient @ 20°C

7.57x10-6/°C

     
Mechanical Properties

Young's Modulus

6.85X1011 dyne/cm 2

Rupture Modulus

5.7X108 dyne/cm2

Knoop Hardness

110-130Kg/mm2

Density

5.27g/cm3

Poisson's Ratio 

0.28

     
Zinc Selenide Transmission Graph
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