F_SILICA by Generic IR
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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) | 1.458464 |
|---|---|
| Abbe Number (Vd) | 67.821433 |
| Dispersion Formula | Sellmeier |
| Wavelength Range | 0.21 — 3.71 µm |
$$n(\lambda) = \sqrt{1 + \frac{0.696166\,\lambda^2}{\lambda^2 - 0.00467915} + \frac{0.407943\,\lambda^2}{\lambda^2 - 0.0135121} + \frac{0.897479\,\lambda^2}{\lambda^2 - 97.934}}$$
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) | — |
$$\frac{dn}{dT} = \frac{n_0^2 - 1}{2\,n_0}\left[2.237 \times 10^{-5} + 2(0)\,\Delta T + 3(0)\,\Delta T^2 + \frac{0 + 2(0)\,\Delta T}{\lambda - 0}\right]
\Delta T = T - T_0, \quad T_0 = 20\,°\text{C}$$
Physical Properties
| Density (g/cm³) | 2.2 |
|---|---|
| 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 | — |
Notes
source: The Infrared & Electro-Optical Systems Handbook V. III
Similar Glasses (Other Manufacturers)
| Glass | Manufacturer | nd | Vd | |
|---|---|---|---|---|
| LITHOSIL-Q | Schott | 1.45844 | 67.83 | |
| SK-1300 | Ohara | 1.458567 | 67.837244 | |
| C79-80 | Corning | 1.458467 | 67.795012 | |
| SK-1310 | Ohara | 1.458663 | 67.854535 | |
| SUPRASIL | Heraeus | 1.458464 | 67.878205 | |
| INFRASIL | Heraeus | 1.458563 | 67.664757 | |
| HOMOSIL | Heraeus | 1.458563 | 67.664757 | |
| HERASIL | Heraeus | 1.458563 | 67.664757 | |
| HOQ | Heraeus | 1.458563 | 67.664757 | |
| KDP-E | Generic Birefringent | 1.468324 | 68.984949 |
Similar Glasses (Generic IR)
| Glass | Manufacturer | nd | Vd | |
|---|---|---|---|---|
| IRG9 | Generic IR | 1.486056 | 81.251965 | |
| BAF2 | Generic IR | 1.474478 | 81.607872 | |
| IRG15 | Generic IR | 1.534275 | 55.700357 | |
| IRGN6 | Generic IR | 1.589096 | 56.33564 | |
| SRF2 | Generic IR | 1.437925 | 91.593259 | |
| KCL | Generic IR | 1.490213 | 43.33857 | |
| CAF2 | Generic IR | 1.433849 | 94.995854 | |
| IRG7 | Generic IR | 1.564424 | 43.736647 | |
| LIF | Generic IR | 1.392146 | 97.294682 | |
| GEO2 | Generic IR | 1.608459 | 41.728763 |