BAF5 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) | 1.607292 |
|---|---|
| Abbe Number (Vd) | 49.336899 |
| Dispersion Formula | Schott |
| Wavelength Range | 0.334 — 2.325 µm |
$$n(\lambda) = \sqrt{2.53082 - 0.00754733\,\lambda^2 + 0.0189767\,\lambda^{-2} - 0.000186235\,\lambda^{-4} + 8.24682 \times 10^{-5}\,\lambda^{-6} - 3.29759 \times 10^{-6}\,\lambda^{-8}}$$
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 | |
|---|---|---|---|---|
| BAF5 | Sumita | 1.60729 | 49.3 | |
| BAM5 | Ohara | 1.607289 | 49.188575 | |
| K-SKLD310 | Sumita | 1.6042 | 48.9 | |
| K-SKLD310(M) | Sumita | 1.60132 | 49.0 | |
| C05-50 | Corning | 1.605004 | 50.419332 | |
| C0550 | Corning | 1.605004 | 50.419332 | |
| SSKN8 | Schott | 1.61772 | 49.771451 | |
| S-BSM28 | Ohara | 1.617722 | 49.815052 | |
| BSM28 | Ohara | 1.617722 | 49.83232 | |
| N-SSK8 | Schott | 1.61773 | 49.83 |
Similar Glasses (Hoya)
| Glass | Manufacturer | nd | Vd | |
|---|---|---|---|---|
| LAF50 | Hoya | 1.60199 | 50.21 | |
| BACED9 | Hoya | 1.620119 | 49.823001 | |
| BACED3 | Hoya | 1.614838 | 51.1513 | |
| BAF6 | Hoya | 1.589003 | 48.543984 | |
| BAF7 | Hoya | 1.608013 | 46.212035 | |
| BAF8 | Hoya | 1.623739 | 47.054197 | |
| E-BAF8 | Hoya | 1.62374 | 47.05 | |
| BACED2 | Hoya | 1.6223 | 53.11226 | |
| BAFL6 | Hoya | 1.589036 | 52.935166 | |
| BAF3 | Hoya | 1.58267 | 46.462286 |