BAFD14 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) | 1.699678 |
|---|---|
| Abbe Number (Vd) | 34.925493 |
| Dispersion Formula | Schott |
| Wavelength Range | 0.334 — 2.325 µm |
$$n(\lambda) = \sqrt{2.80344 - 0.00981017\,\lambda^2 + 0.0276006\,\lambda^{-2} + 0.00111519\,\lambda^{-4} - 4.22562 \times 10^{-5}\,\lambda^{-6} + 8.13122 \times 10^{-6}\,\lambda^{-8}}$$
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 | |
|---|---|---|---|---|
| CSBR | Generic IR | 1.69706 | 34.108015 | |
| KZFS12 | Schott | 1.696 | 36.29 | |
| CD45 | Sumita | 1.6932 | 33.7 | |
| K-CD45 | Sumita | 1.6932 | 33.7 | |
| C97-36 | Corning | 1.695989 | 36.517325 | |
| K-CD45(M) | Sumita | 1.68673 | 34.1 | |
| H-TF8 | CDGM | 1.72046 | 34.757746 | |
| BPH8 | Ohara | 1.720467 | 34.716156 | |
| S-NBH8 | Ohara | 1.720467 | 34.707984 | |
| N-KZFS8 | Schott | 1.72047 | 34.7 |