IRG15 by Generic IR
Standard
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) | 1.534275 |
|---|---|
| Abbe Number (Vd) | 55.700357 |
| Dispersion Formula | Herzberger |
| Wavelength Range | 0.365 — 3.303 µm |
$$L = \frac{1}{\lambda^2 - 0.028}
n(\lambda) = 1.5223 + 0.00423702\,L - 4.45082 \times 10^{-5}\,L^2 - 0.00272498\,\lambda^2 + 2.80678 \times 10^{-5}\,\lambda^4 - 2.99845 \times 10^{-6}\,\lambda^6$$
Thermal Properties
| TCE -30/70°C (10-6/K) | 9.3 |
|---|---|
| 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) | 2.8 |
|---|---|
| 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: Schott Spec Sheet
Similar Glasses (Other Manufacturers)
| Glass | Manufacturer | nd | Vd | |
|---|---|---|---|---|
| H-K12 | CDGM | 1.533589 | 55.469983 | |
| K5G20 | Schott | 1.52344 | 56.76 | |
| D263TECO | Schott | 1.523303 | 54.5172 | |
| ZK1 | Schott | 1.533149 | 57.980912 | |
| ZNC1 | Hoya | 1.533149 | 58.063515 | |
| K4 | Schott | 1.518952 | 57.399398 | |
| C2 | Hoya | 1.51602 | 56.771193 | |
| H-K8 | CDGM | 1.51602 | 56.794825 | |
| NSL2 | Ohara | 1.516016 | 56.800755 | |
| N-BALF5 | Schott | 1.54739 | 53.63 |
Similar Glasses (Generic IR)
| Glass | Manufacturer | nd | Vd | |
|---|---|---|---|---|
| IRGN6 | Generic IR | 1.589096 | 56.33564 | |
| IRG7 | Generic IR | 1.564424 | 43.736647 | |
| KCL | Generic IR | 1.490213 | 43.33857 | |
| F_SILICA | Generic IR | 1.458464 | 67.821433 | |
| GEO2 | Generic IR | 1.608459 | 41.728763 | |
| CALCITE | Generic IR | 1.658643 | 48.541403 | |
| IRG11 | Generic IR | 1.680932 | 44.434326 | |
| KBR | Generic IR | 1.559967 | 31.977241 | |
| SPINEL | Generic IR | 1.716226 | 60.607355 | |
| IRG9 | Generic IR | 1.486056 | 81.251965 |