E-ADF50 by Hoya
Special
Very Rare
Environmentally Friendly
Refractive Index vs Wavelength
Refractive Index Calculator
dn/dλ vs Wavelength
dn/dλ Calculator
Abbe Number Calculator
Transmission vs Wavelength
Transmission Calculator
Optical Properties
| Refractive Index (nd) | 1.65412 |
|---|---|
| Abbe Number (Vd) | 39.62 |
| Dispersion Formula | Schott |
| Wavelength Range | 0.36501 — 1.5296 µm |
$$n(\lambda) = \sqrt{2.66804 - 0.0131843\,\lambda^2 + 0.0239305\,\lambda^{-2} + 0.000239287\,\lambda^{-4} + 5.06979 \times 10^{-5}\,\lambda^{-6} + 9.1241 \times 10^{-7}\,\lambda^{-8}}$$
Thermal Properties
| TCE -30/70°C (10-6/K) | 5.1 |
|---|---|
| TCE 100/300°C (10-6/K) | 6.5 |
| Thermal Conductivity (W/mK) | — |
| Heat Capacity (J/gK) | — |
$$\frac{dn}{dT} = \frac{n_0^2 - 1}{2\,n_0}\left[1.08065 \times 10^{-5} + 2(0)\,\Delta T + 3(0)\,\Delta T^2 + \frac{0 + 2(0)\,\Delta T}{\lambda - 0}\right]
\Delta T = T - T_0, \quad T_0 = 23\,°\text{C}$$
Physical Properties
| Density (g/cm³) | 3.38 |
|---|---|
| Relative Cost | — |
Mechanical Properties
| Young's Modulus (GPa) | — |
|---|---|
| Poisson's Ratio | — |
| Knoop Hardness (kgf/mm²) | — |
Chemical Resistance
| Climatic Resistance | 2 |
|---|---|
| Stain Resistance | — |
| Acid Resistance | 6 |
| Alkali Resistance | — |
| Phosphate Resistance | — |
Notes
Not in a position to accept new order because of discontinuation.
Similar Glasses (Other Manufacturers)
| Glass | Manufacturer | nd | Vd | |
|---|---|---|---|---|
| KZFSN5 | Schott | 1.65412 | 39.63 | |
| S-NBH5 | Ohara | 1.654115 | 39.682794 | |
| BPH5 | Ohara | 1.654115 | 39.687638 | |
| N-KZFS5 | Schott | 1.65412 | 39.7 | |
| H-TF5 | CDGM | 1.6541 | 39.539424 | |
| C55-40 | Corning | 1.6555 | 40.115717 | |
| BAH30 | Ohara | 1.650158 | 39.390461 | |
| BASF10 | Sumita | 1.65016 | 39.3 | |
| C51-39 | Corning | 1.650206 | 39.193419 | |
| BASF10 | Schott | 1.65016 | 39.148818 |
Similar Glasses (Hoya)
| Glass | Manufacturer | nd | Vd | |
|---|---|---|---|---|
| ADF50 | Hoya | 1.654118 | 39.624202 | |
| NBFD38 | Hoya | 1.65253 | 39.48 | |
| BAFD10 | Hoya | 1.650157 | 39.343065 | |
| BAFD4 | Hoya | 1.651278 | 38.312578 | |
| ATF2 | Hoya | 1.65052 | 38.036939 | |
| ADF355 | Hoya | 1.6445 | 40.762285 | |
| BAFD6 | Hoya | 1.66755 | 41.933458 | |
| ADF405 | Hoya | 1.6765 | 37.477902 | |
| BAFD1 | Hoya | 1.626057 | 39.085725 | |
| BAFD2 | Hoya | 1.664457 | 35.887705 |