|
|
|
Syngony
|
Cubic
|
|
Symmetry Class
|
43m
|
|
|
|
|
Refractive Index at n10.6
|
2.4028
|
|
Thermal Coefficient of Refractive Index at l=10.6 microns,îÑ-1
|
6.1• 10-5
|
|
Transmission Range, microns (thickness 10ìì)
|
0.55¸20
|
| Transmittance ZnSe CVD ti(l) vs. wavelength l |
|

|
|
|
|
Refractive Index n vs.
wavelength l
|
|
l,ìêì
|
n(l)
|
|
0.58
|
2.6754
|
|
1.0
|
2.4892
|
|
3.0
|
2.4376
|
|
5.0
|
2.4295
|
|
7.0
|
2.4218
|
|
9.0
|
2.4122
|
|
10.6
|
2.4028
|
|
11.0
|
2.4001
|
|
13.0
|
2.3850
|
|
15.0
|
2.3623
|
|
17.0
|
2.3448
|
|
|
|
|
|
Thermal Linear Expansion at, îÑ-1 at 27îÑ
|
7.57• 10-6
|
|
Thermal Conductivity, W/(m • îÑ) at 20 îÑ
|
16
|
|
Specific Heat Capacity, J/(kg • îÑ)
|
339
|
|
|
|
|
Density, g/cm3 at 20 îÑ
|
5.27
|
|
Mohs Hardness
|
4
|
|
Poisson Ratio
|
0.28
|
|
Young Modulus (Å), Pa
|
7.03• 1010
|
|
|
|
|
Solubility ZnSe CVD
|
|
in water at 18 îÑ
g/100cm3
|
in acids
|
|
insoluble
|
soluble
|
|
"Opto-Technological Laboratory" produces lenses, windows, prisms, wedges, ball lenses, cylindrical lenses and others optical components according to customers’ specifications and drawings out of crystals zinc selenide CVD ( ZnSe CVD ) . |