Optische Eigenschaften | FLIR ZnS | Multispectral ZnS |
---|---|---|
Transmissionsbereich in µm (Minimum 10%) | 1‐14 | 0,35‐14 |
Transmissionsbereich in µm (Minimum 50%) | 1‐13 | 0,37‐13 |
Brechungsindex @633nm | 2,351 (2,192 @10,6µm) | 2,351 (2,201 @10µm) |
Reflexionsverluste in % an 1 Oberfläche | 14 @10µm
| 14 @10µm
|
Reflexionsverluste in % an 2 Oberflächen | 24,6 @10,6µm
| 24,7 @10,6µm
|
dN/dT in 1/K | -43 · 10-6 @3,39µm
| -38,7 · 10-6 @3,39µm
|
Physikalische Eigenschaften | FLIR ZnS | Multispectral ZnS |
---|---|---|
Dichte in g/cm3 | 4,08
| 4,09
|
Schmelzpunkt in °C | 1827 | 1827 |
Spezifische Wärmekapazität in J/(kg · K) | 469
| 515
|
Thermische Leitfähigkeit in W/(m · K) | 16,7 @296K | 27,2 @298K |
Thermische Ausdehnung in 1/K | 6,6 · 10-6 @273K
| 6,5 · 10-6 @273K
|
Dielektische Konstante | 88
| |
Wasserlöslichkeit in g/100g | unlöslich | unlöslich |
Mohs-Härte | 3,5‐4
| |
Knoop-Härte in kg/mm² | 160
| 160
|
Materialtyp | polykristallin, synthetisch
| polykristallin, synthetisch
|
Kristalltyp | kubisch, Zinkblendenstruktur | kubisch, Zinkblendenstruktur |
Kristallstruktur | Fm3m
| cF8 |
Gitterkonstante in Å | a = 5,42
| a = 5,42
|
Elastizitätskonstanten in GPa | C11 = 102 C12 = 64,6 C44 = 44,6 | |
Elastizitätsmodul (E) in GPa | 74,5
| 74,5
|
Dehnungsgrenze in MPa | 103,4
| 68,9 |
Poissonzahl | 0,29 | 0,28 |
Spektrale Eigenschaften | |
---|---|
Optical Properties | FLIR ZnS | Multispectral ZnS |
---|---|---|
Transmission range in µm @10% min. | 1 - 14 | 0.35 - 13 |
Transmission range in µm @50% min. | 1 - 13 | 0.37 - 13 |
Refractive index | 2.192 @10.6µm | 2.20084 @10µm |
Reflection losses in % at 1 surface | 14 @10µm | 14 @10µm |
Reflection losses in % at 2 surfaces | 24.6 @10.6µm | 24.7 @10.6µm |
dn/dT in 1/K | 43 · 10-6 @3.39µm | 38.7 · 10-6 @3.39µm |
Physical Properties | FLIR ZnS | Multispectral ZnS |
---|---|---|
Density in g/cm³ | 4.08 | 4.09 |
Melting point in °C | 1827 | 1827 |
Specific heat capacity in J/(kg · K) | 469 | 515 |
Thermal Conductivity in W/(m · K) | 16.7 @296K | 27.2 @298K |
Thermal Expansion in 1/K | 6.6 · 10-6 @273K | 6.5 · 10-6 @273K |
Dielectric constant | 8.393 | 88 |
Solubility in water in g/100g | unsoluble | unsoluble |
Mohs hardness | 3.5 - 4 | |
Knoop hardness in kg/mm² | 160 | 160 |
Material type | Polycrystalline, synthetic | Polycrystalline, synthetic |
Crystal type | cubic, Zincblende structure | |
Crystal structure | F43m | F42m |
Lattice constant in Å | a = 5.67 | |
Elastic coeficients in GPa | C11 = 102 C12 = 64.6 C44 = 44.6 | |
Young's Modulus (E) in GPa | 87.6 | 33 |
Shear Modulus (G) in GPa | 80.41 | |
Bulk Modulus (K) in GPa | 63.1 | |
Rupture Modulus in MPa | 68.9 | |
Apparent elastic limit in MPa | 103.4 | 68.9 |
Poisson ratio | 0.29 | 0.28 |
Spectral Properties | |
---|---|