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Mateck Window Grade Zinc Selenide, ZnSe

Category Ceramic , Sulfide/Chalcogenide , Other Engineering Material , Semiconductor
Manufacturer Mateck GmbH
Trade Name
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
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Material Notes:
Optical Crystals
Physical Properties Metric English Comments
Density 5.26 g/cc

@Temperature 20.0 °C
 0.190 lb/in³

@Temperature 68.0 °F
Solubility 0.00 ppm
0.00 ppm
a Lattice Constant 5.668 Å
5.668 Å
Molecular Weight 144.33 g/mol
144.33 g/mol
Mechanical Properties Metric English Comments
Vickers Microhardness 1000
1000
MPa
Hardness, Mohs 4.0
4.0
Modulus of Elasticity 77.6 GPa
11300 ksi
Poissons Ratio 0.311
0.311
Shear Modulus 29.6 GPa
4290 ksi
Thermal Properties Metric English Comments
CTE, linear 7.90 µm/m-°C

@Temperature 27.0 °C
 4.39 µin/in-°F

@Temperature 80.6 °F
Specific Heat Capacity 0.367 J/g-°C
0.0877 BTU/lb-°F
Thermal Conductivity 14.1 W/m-K
97.9 BTU-in/hr-ft²-°F
Melting Point 1505 - 1535 °C
2741 - 2795 °F
Optical Properties Metric English Comments
Refractive Index 2.4034
2.4034
at n10.6
2.6645
2.6645
at ne
1.3936

@Wavelength 12000 nm
 1.3936

@Wavelength 12000 nm
2.3662

@Wavelength 15000 nm
 2.3662

@Wavelength 15000 nm
2.4067

@Wavelength 10000 nm
 2.4067

@Wavelength 10000 nm
2.4376

@Wavelength 3000 nm
 2.4376

@Wavelength 3000 nm
2.4894

@Wavelength 1000 nm
 2.4894

@Wavelength 1000 nm
Transmission, Visible 65 %

@Wavelength 500 nm
 65 %

@Wavelength 500 nm
 Internal Transmittance
IR Transmittance 16 %

@Wavelength 20000 nm
 16 %

@Wavelength 20000 nm
 Internal Transmittance
90 %

@Wavelength 15000 nm
 90 %

@Wavelength 15000 nm
 Internal Transmittance
97 %

@Wavelength 5000 nm
 97 %

@Wavelength 5000 nm
 Internal Transmittance
98 %

@Wavelength 12000 nm
 98 %

@Wavelength 12000 nm
 Internal Transmittance
Descriptive Properties Value Comments
Symmetry Class 43m
Syngony cubic
Thermal Coefficient of Refractive Index 6E-5 to 6.63E-5
at 3.39 microns for ± 60°C
Thermal Stability, °C 57±7
Transmission Range (microns) 0.55 - 18
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