ADF4 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) | 1.612498 |
|---|---|
| Abbe Number (Vd) | 44.873885 |
| Dispersion Formula | Schott |
| Wavelength Range | 0.334 — 2.325 µm |
$$n(\lambda) = \sqrt{2.54891 - 0.0142044\,\lambda^2 + 0.0174295\,\lambda^{-2} + 0.000755275\,\lambda^{-4} - 3.80014 \times 10^{-5}\,\lambda^{-6} + 3.43184 \times 10^{-6}\,\lambda^{-8}}$$
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 | |
|---|---|---|---|---|
| N-KZFS4 | Schott | 1.61336 | 44.49 | |
| N-KZFS4HT | Schott | 1.61336 | 44.49 | |
| C13-44 | Corning | 1.613394 | 44.386543 | |
| KZFS1 | Schott | 1.613099 | 44.339473 | |
| KZFSN4 | Schott | 1.6134 | 44.29 | |
| S-NBM51 | Ohara | 1.613397 | 44.267706 | |
| BPM51 | Ohara | 1.613397 | 44.266767 | |
| C16-44 | Corning | 1.616002 | 44.416477 | |
| H-TF3L | CDGM | 1.6134 | 44.107022 | |
| TF3 | CDGM | 1.612423 | 44.093486 |
Similar Glasses (Hoya)
| Glass | Manufacturer | nd | Vd | |
|---|---|---|---|---|
| ADF10 | Hoya | 1.613102 | 44.361138 | |
| E-ADF10 | Hoya | 1.6131 | 44.36 | |
| ADF40 | Hoya | 1.6134 | 44.290061 | |
| LAF45 | Hoya | 1.61396 | 44.29 | |
| M-BAF41 | Hoya | 1.605777 | 43.98709 | |
| BAF4 | Hoya | 1.60562 | 43.87626 | |
| BAF7 | Hoya | 1.608013 | 46.212035 | |
| E-BAF8 | Hoya | 1.62374 | 47.05 | |
| BAF8 | Hoya | 1.623739 | 47.054197 | |
| BAFD5 | Hoya | 1.603232 | 42.391075 |