| Model Number: | Zinc Selenide |
|---|---|
| Brand Name: | crysmit |
| Place of Origin: | China (Mainland) |
Quick Details
Specifications
Typical Applications:
? CVD laser grade ZnSe and IR grade ZnSe.
? Greater than 90% transmission from 3-12μm.
? Low dispersion and low absorption.
? Ideal for thermal Imaging, FLIR, and medical systems.
? High performance, cost-effective ZnS fabrication.
? Adequate ZnSe substrates and blanks available.
Zinc Seleide(ZnSe)
Main Properties
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Growing Method
|
Chemical Vapor Deposition(CVD)
|
|
Melting Point
|
1525℃
|
|
Transmission Band
|
0.6-20um
|
|
Bulk Absorption Coefficient
|
5X10-4cm-1@10.6um
|
|
Density
|
5.268g/cm3
|
|
Refractive Index
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2.4015 at 10.6um
|
|
Young's Modulus
|
67.2 GPa
|
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Thermal Conductivity
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0.18W/cm/℃
|
|
Specific Heat
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0.356J/g/℃
|
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Thermal Expansion
|
7.57x10-6/℃ at 20℃
|
Crysmit supply ZnSe with:
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Diameter
|
+0/-0.10mm
|
|
Length
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+/-0.2mm
|
|
Chamfer
|
0.20+/-0.10mm @ 45°
|
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Surface Figure (power/irregularity) at 0.63μm
|
1.0 fringe/0.5 fringe
|
|
Parallelism
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< 40 arc Seconds
|
|
Perpendicularity
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< 5 arc min
|
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Surface Quality
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40/20Scratch/Dig
|