HOMOSIL by Heraeus
Unknown
Unknown
Environmentally Friendly
Refractive Index vs Wavelength
Refractive Index Calculator
dn/dλ vs Wavelength
dn/dλ Calculator
Abbe Number Calculator
Transmission vs Wavelength
No transmission data available.
Optical Properties
| Refractive Index (nd) | 1.458563 |
|---|---|
| Abbe Number (Vd) | 67.664757 |
| Dispersion Formula | Sellmeier |
| Wavelength Range | 0.20254 — 3.5 µm |
$$n(\lambda) = \sqrt{1 + \frac{0.476523\,\lambda^2}{\lambda^2 - 0.00284888} + \frac{0.627786\,\lambda^2}{\lambda^2 - 0.0118369} + \frac{0.872274\,\lambda^2}{\lambda^2 - 95.6856}}$$
Thermal Properties
| TCE -30/70°C (10-6/K) | 0.51 |
|---|---|
| TCE 100/300°C (10-6/K) | — |
| Thermal Conductivity (W/mK) | — |
| Heat Capacity (J/gK) | — |
$$\frac{dn}{dT} = \frac{n_0^2 - 1}{2\,n_0}\left[0 + 2(0)\,\Delta T + 3(0)\,\Delta T^2 + \frac{0 + 2(0)\,\Delta T}{\lambda - 0}\right]
\Delta T = T - T_0, \quad T_0 = 20\,°\text{C}$$
Physical Properties
| Density (g/cm³) | 2.203 |
|---|---|
| Relative Cost | — |
Mechanical Properties
| Young's Modulus (GPa) | — |
|---|---|
| Poisson's Ratio | — |
| Knoop Hardness (kgf/mm²) | — |
Chemical Resistance
| Climatic Resistance | — |
|---|---|
| Stain Resistance | — |
| Acid Resistance | — |
| Alkali Resistance | — |
| Phosphate Resistance | — |
Similar Glasses (Other Manufacturers)
| Glass | Manufacturer | nd | Vd | |
|---|---|---|---|---|
| C79-80 | Corning | 1.458467 | 67.795012 | |
| F_SILICA | Generic IR | 1.458464 | 67.821433 | |
| LITHOSIL-Q | Schott | 1.45844 | 67.83 | |
| SK-1300 | Ohara | 1.458567 | 67.837244 | |
| SK-1310 | Ohara | 1.458663 | 67.854535 | |
| H-QK1 | CDGM | 1.47047 | 66.876032 | |
| KDP-E | Generic Birefringent | 1.468324 | 68.984949 | |
| FSL3 | Ohara | 1.464499 | 65.938855 | |
| FC1 | Hoya | 1.470787 | 66.706713 | |
| FK3 | Schott | 1.4645 | 65.77 |