High Index Chalcogenide Glass
TQIR
This product can be machined by conventional grinding and polishing,
single point diamond turning or precision die forming.
| Refractive Indices |
|
λ(μm) |
n |
| n2.0 |
2.0 |
3.26488 |
| n2.5 |
2.5 |
3.23436 |
| n3.7 |
3.7 |
3.20648 |
| n4.2 |
4.2 |
3.20124 |
| n4.8 |
4.8 |
3.19681 |
| n8.0 |
8.0 |
3.18531 |
| n10.0 |
10.0 |
3.18088 |
| n12.0 |
12.0 |
3.17620 |
Temperature Coefficients of Refractive Index |
| Temperature(℃) |
λ(μm) |
dn/dt(10-6/℃) |
| 20~40 |
10 |
218.1 |
| 40~60 |
10 |
221.6 |
| 60~80 |
10 |
225.3 |
| 80~100 |
10 |
227.8 |
| Abbe Number |
| V(3~5μm) |
227.64 |
| V(8~12μm) |
239.39 |
Thermal Properties |
| Tg(℃) |
178 |
| α20/170℃(10-6/K) |
17.73 |
Mechanical Properties |
| Glass transition temperature(℃) |
178 |
| Density(g/cm3) |
5.31 |
| Young's Modulus(GPa) |
25.53 |
| Shear Modulus(GPa) |
9.80 |
| Poisson's Ratio(μ) |
0.302 |
| Bulk Modulus(GPa) |
21.525 |
| Sample Size Diameter(mm) |
20-120 |
| Whether it contains As |
NO |
| Transmittance |
| λ(μm@17.5mm) |
Transmittance(%) |
| 4 |
58 |
| 5 |
59 |
| 6 |
59 |
| 7 |
59 |
| 8 |
59 |
| 9 |
59 |
| 10 |
59 |
| 11 |
60 |
| 12 |
60 |
- TQIR Chalcogenide Glass Transmission Spectrum
(Thickness: 2.5mm
and
17.5mm)
Chalcogenide Glass
TQGS
This product can be machined by conventional grinding and polishing,
single point diamond turning or precision die forming.
| Refractive Indices |
| n2.0 |
2.0 |
2.6261 |
| n3.0 |
3.0 |
2.6116 |
| n4.0 |
4.0 |
2.6058 |
| n5.0 |
5.0 |
2.6022 |
| n6.0 |
6.0 |
2.5991 |
| n7.0 |
7.0 |
2.5962 |
| n8.0 |
8.0 |
2.5929 |
| n9.0 |
9.0 |
2.5895 |
| n10.0 |
10.0 |
2.5858 |
| n11.0 |
11.0 |
2.5816 |
| n12.0 |
12.0 |
2.5769 |
Temperature Coefficients of Refractive Index |
| Temperature(℃) |
λ(μm) |
dn/dt(10-6/℃) |
| 25 |
10.6 |
58 |
| Abbe Number |
| V(8~12μm) |
99.1 |
Thermal Properties |
| Tg(℃) |
275 |
| α25/80℃(10-6/K) |
16.6 |
| k(W/(m∙K)) |
0.23 |
| Cp(J/(g×k)) |
0.34 |
Mechanical Properties |
| Hardness(HK)(107Pa) |
167.9 |
| Shear Modulus(G)(GPa) |
7.52 |
| Young's Modulus(GPa) |
16.6 |
| Poisson's Ratio(μ) |
0.27 |
Other Properties |
| ρ(g/cm3) |
4.70 |
- TQGS Chalcogenide Glass Transmission Spectrum
(Thickness：2mm and 10mm)
