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  Optical Materials / Zinc Sulfide MultiSpectral (ZnS MS)

Zinc Sulfide MultiSpectral (ZnS MS)

      RGQ and Order
Zinc Sulfide MultiSpectral (ZnS MS)

Zinc Sulfide MultiSpectral (ZnS MS)

ZnS MultiSpectral is II-VI Infrared’s zinc sulfide material treated by a hot isostatic press (HIP) process. Under intense heat and pressure, defects within the crystalline lattice are virtually eliminated, leaving a water-clear material with minimal scatter and high transmission characteristics from 0.4 to 12 microns. This material is particularly well suited for high-performance common aperture systems that must perform across a broad wavelength spectrum.

II-VI Infrared’s extensive capabilities, equipment, and experience enable us to offer ZnS MS material to exacting specifications of dimensional shape and tolerances. ZnS MS material is also available in random sizes and shapes for use as evaporative source material.

ZnS MS Transmission Graphs

ZnS MS Transmission Graphs

Material Properties
Optical Properties
Bulk Absorption Coefficient @ 10.6µm
<= 0.20/cm
Temperature Change of Refractive Index @ 0.6328µm
54 x 10-6/°C
Refractive Index Inhomogeneity @ 0.6328µm
< 20 x 10-6
Thermal Properties
Thermal Conductivity @ 20° C
0.27 W/cm/°C
Specific Heat
0.527 J/g/°C
Linear Expansion Coefficient @ 20° C
6.5 x10-6/°C
Mechanical Properties
Young’s Modulus
85.5 GPa (12.4 x 106 psi)
Rupture Modulus
68.9 MPa (10,000 psi)
Knoop Hardness
150-165 kg/mm2
Density
4.09 g/cm3
Poisson’s Ratio
0.27
Wavelength
(µm)
Index
Wavelength
(µm)
Index
0.4047
2.54515
1.1287
2.28485
0.4358
2.48918
1.5296
2.27191
0.4678
2.44915
2.0581
2.26442
0.4800
2.43691
3.000
2.25772
0.5086
2.41279
3.500
2.25498
0.5461
2.38838
4.000
2.25231
0.5876
2.36789
4.500
2.24955
0.6438
2.34731
5.000
2.24661
0.6678
2.34033
8.000
2.22334
0.7065
2.33073
9.000
2.21290
0.7800
2.31669
10.000
2.20084
0.7948
2.31438
11.250
2.18317
0.8521
2.30659
12.000
2.17101
0.8943
2.30183
13.000
2.15252
1.0140
2.29165

 

   
 
           
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