F11 by Hoya
Obsolete
Unknown
Environmentally Dangerous
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) | 1.620962 |
|---|---|
| Abbe Number (Vd) | 35.947308 |
| Dispersion Formula | Schott |
| Wavelength Range | 0.334 — 2.325 µm |
$$n(\lambda) = \sqrt{2.56038 - 0.0113624\,\lambda^2 + 0.0214103\,\lambda^{-2} + 0.00124916\,\lambda^{-4} - 9.02256 \times 10^{-5}\,\lambda^{-6} + 1.06512 \times 10^{-5}\,\lambda^{-8}}$$
Thermal Properties
| TCE -30/70°C (10-6/K) | — |
|---|---|
| TCE 100/300°C (10-6/K) | — |
| Thermal Conductivity (W/mK) | — |
| Heat Capacity (J/gK) | — |
$$\frac{dn}{dT} = \frac{n_0^2 - 1}{2\,n_0}\left[0 + 2(0)\,\Delta T + 3(0)\,\Delta T^2 + \frac{0 + 2(0)\,\Delta T}{\lambda - 0}\right]
\Delta T = T - T_0, \quad T_0 = 25\,°\text{C}$$
Physical Properties
| Density (g/cm³) | — |
|---|---|
| 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 | |
|---|---|---|---|---|
| TIM11 | Ohara | 1.620955 | 35.880852 | |
| PBM11 | Ohara | 1.620955 | 35.880852 | |
| F13 | Schott | 1.622372 | 36.043399 | |
| FN11 | Schott | 1.620962 | 36.179463 | |
| PBM2 | Ohara | 1.620041 | 36.256658 | |
| S-TIM2 | Ohara | 1.620041 | 36.263378 | |
| PBM2Y | Ohara | 1.620041 | 36.269263 | |
| F2 | Sumita | 1.62004 | 36.3 | |
| C20-36 | Corning | 1.62001 | 36.30126 | |
| H-F4 | CDGM | 1.62005 | 36.345886 |